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<head>
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<title>Posting Routine - Select Behavior | alguidelines.dev - Business Central Design Patterns</title>
<meta name=description content="By waldo
<title>Posting Routine - Select Behavior | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By waldo
Abstract
Send information (parameters) to a processing framework/routine so that it knows what to do, how to behave.
Description
@ -43,8 +42,7 @@ Description For a processing routine to behave correctly, it needs sometimes inp
<link href=/scss/main.min.84a617ff0c0265eb62b5cd2929c572f4ed37dc4907d0cf068be4eb2974f6d60f.css rel=stylesheet integrity>
<script src=https://code.jquery.com/jquery-3.6.0.min.js integrity=sha384-vtXRMe3mGCbOeY7l30aIg8H9p3GdeSe4IFlP6G8JMa7o7lXvnz3GFKzPxzJdPfGK crossorigin=anonymous></script>
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<body class=td-page>
</head><body class=td-page>
<header>
<nav class="js-navbar-scroll navbar navbar-expand navbar-dark flex-column flex-md-row td-navbar">
<a class=navbar-brand href=/>
@ -56,36 +54,24 @@ Description For a processing routine to behave correctly, it needs sometimes inp
<ul class="navbar-nav mt-2 mt-lg-0">
<li class="nav-item mr-4 mb-2 mb-lg-0">
<a class=nav-link href=/docs/><i class="fas fa-book"></i><span>Docs</span></a>
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<a class=nav-link href=https://github.com/microsoft/alguidelines/discussions/ target=_blank><i class="fas fa-comments"></i><span>Discussions</span></a>
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<a class=nav-link href=https://github.com/microsoft/alguidelines target=_blank><i class="fab fa-github"></i><span>GitHub</span></a>
</li>
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<a class=nav-link href=https://discord.gg/4wbfNv3 target=_blank><i class="fab fa-discord"></i><span>Discord</span></a>
</li>
</ul>
</div>
<div class="navbar-nav d-none d-lg-block"><input type=search class="form-control td-search-input" placeholder="&#xf002; Search this site…" aria-label="Search this site…" autocomplete=off data-offline-search-index-json-src=/offline-search-index.9ab69a84696ad11cb17318558d9706e3.json data-offline-search-base-href=/ data-offline-search-max-results=10>
</div>
</nav>
</header>
<div class="container-fluid td-outer">
</li></ul></div><div class="navbar-nav d-none d-lg-block"><input type=search class="form-control td-search-input" placeholder="&#xf002; Search this site…" aria-label="Search this site…" autocomplete=off data-offline-search-index-json-src=/offline-search-index.c6558a635de208ea1007e79e444e323a.json data-offline-search-base-href=/ data-offline-search-max-results=10>
</div></nav></header><div class="container-fluid td-outer">
<div class=td-main>
<div class="row flex-xl-nowrap">
<aside class="col-12 col-md-3 col-xl-2 td-sidebar d-print-none">
<div id=td-sidebar-menu class=td-sidebar__inner>
<div id=content-mobile>
<form class="td-sidebar__search d-flex align-items-center">
<input type=search class="form-control td-search-input" placeholder="&#xf002; Search this site…" aria-label="Search this site…" autocomplete=off data-offline-search-index-json-src=/offline-search-index.9ab69a84696ad11cb17318558d9706e3.json data-offline-search-base-href=/ data-offline-search-max-results=10>
<input type=search class="form-control td-search-input" placeholder="&#xf002; Search this site…" aria-label="Search this site…" autocomplete=off data-offline-search-index-json-src=/offline-search-index.c6558a635de208ea1007e79e444e323a.json data-offline-search-base-href=/ data-offline-search-max-results=10>
<button class="btn btn-link td-sidebar__toggle d-md-none p-0 ml-3 fas fa-bars" type=button data-toggle=collapse data-target=#td-section-nav aria-controls=td-docs-nav aria-expanded=false aria-label="Toggle section navigation">
</button>
</form>
</div>
<div id=content-desktop></div>
<nav class="collapse td-sidebar-nav" id=td-section-nav>
</form></div><div id=content-desktop></div><nav class="collapse td-sidebar-nav" id=td-section-nav>
<ul class="td-sidebar-nav__section pr-md-3 ul-0">
<li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child active-path" id=m-docs-li>
<a href=/docs/ title="AL Guidelines" class="align-left pl-0 td-sidebar-link td-sidebar-link__section tree-root" id=m-docs><span>Docs</span></a>
@ -103,9 +89,9 @@ Description For a processing routine to behave correctly, it needs sometimes inp
<a href=/docs/patterns/facade-pattern/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docspatternsfacade-pattern><span>Façade</span></a>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docspatternsgeneric-method-pattern-li>
<a href=/docs/patterns/generic-method-pattern/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docspatternsgeneric-method-pattern><span>Generic Method</span></a>
</li>
</ul>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-docsbestpractices-li>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docspatternsno-series-li>
<a href=/docs/patterns/no-series/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docspatternsno-series><span>No. Series</span></a>
</li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-docsbestpractices-li>
<a href=/docs/bestpractices/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsbestpractices><span>Best Practices</span></a>
<ul class="ul-2 foldable">
<li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesapi-page-li>
@ -152,9 +138,7 @@ Description For a processing routine to behave correctly, it needs sometimes inp
<a href=/docs/bestpractices/variable-naming/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesvariable-naming><span>Variable Naming</span></a>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsbestpracticesvariables-declarations-order-li>
<a href=/docs/bestpractices/variables-declarations-order/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsbestpracticesvariables-declarations-order><span>Variables Declarations Order</span></a>
</li>
</ul>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child active-path" id=m-docsnavpatterns-li>
</li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child active-path" id=m-docsnavpatterns-li>
<a href=/docs/navpatterns/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatterns><span>NAV Patterns Archive</span></a>
<ul class="ul-2 foldable">
<li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child active-path" id=m-docsnavpatternspatterns-li>
@ -169,9 +153,7 @@ Description For a processing routine to behave correctly, it needs sometimes inp
<ul class="ul-4 foldable">
<li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatternspatternsblocked-entitydata-driven-blocked-entity-li>
<a href=/docs/navpatterns/patterns/blocked-entity/data-driven-blocked-entity/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsblocked-entitydata-driven-blocked-entity><span>Data Driven Blocked Entity</span></a>
</li>
</ul>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternscached-web-service-calls-li>
</li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternscached-web-service-calls-li>
<a href=/docs/navpatterns/patterns/cached-web-service-calls/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternscached-web-service-calls><span>Cached Web Server Calls</span></a>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsconditional-cascading-update-li>
<a href=/docs/navpatterns/patterns/conditional-cascading-update/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsconditional-cascading-update><span>Conditional Cascading Update</span></a>
@ -226,9 +208,7 @@ Description For a processing routine to behave correctly, it needs sometimes inp
<ul class="ul-4 foldable">
<li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatternspatternsnet-exception-handling-in-caltryfunction-net-exception-handling-in-cal-li>
<a href=/docs/navpatterns/patterns/net-exception-handling-in-cal/tryfunction-net-exception-handling-in-cal/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsnet-exception-handling-in-caltryfunction-net-exception-handling-in-cal><span>TryFunction NET Exception Handling in CAL</span></a>
</li>
</ul>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsno-series-li>
</li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsno-series-li>
<a href=/docs/navpatterns/patterns/no-series/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsno-series><span>No Series</span></a>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-docsnavpatternspatternsnotifications-li>
<a href=/docs/navpatterns/patterns/notifications/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatternspatternsnotifications><span>Notifications</span></a>
@ -237,9 +217,7 @@ Description For a processing routine to behave correctly, it needs sometimes inp
<a href=/docs/navpatterns/patterns/notifications/in-context-notifications/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsnotificationsin-context-notifications><span>In-context Notifications</span></a>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatternspatternsnotificationsnotification-lifecycle-management-pattern-li>
<a href=/docs/navpatterns/patterns/notifications/notification-lifecycle-management-pattern/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsnotificationsnotification-lifecycle-management-pattern><span>Notification Lifecycle Management Pattern</span></a>
</li>
</ul>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsobserver-li>
</li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsobserver-li>
<a href=/docs/navpatterns/patterns/observer/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsobserver><span>Observer</span></a>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child active-path" id=m-docsnavpatternspatternsposting-routine-select-behavior-li>
<a href=/docs/navpatterns/patterns/posting-routine-select-behavior/ class="align-left pl-0 active td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsposting-routine-select-behavior><span class=td-sidebar-nav-active-item>Posting Routine - Select Behavior</span></a>
@ -254,9 +232,7 @@ Description For a processing routine to behave correctly, it needs sometimes inp
<a href=/docs/navpatterns/patterns/queries/use-queries-to-detect-duplicate-records/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsqueriesuse-queries-to-detect-duplicate-records><span>Use Queries to Detect Duplicate Records</span></a>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatternspatternsqueriesuse-queries-to-replace-nested-loops-li>
<a href=/docs/navpatterns/patterns/queries/use-queries-to-replace-nested-loops/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsqueriesuse-queries-to-replace-nested-loops><span>Use Queries to Replace Nested Loops</span></a>
</li>
</ul>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsread-once-initialization-and-validation-li>
</li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsread-once-initialization-and-validation-li>
<a href=/docs/navpatterns/patterns/read-once-initialization-and-validation/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsread-once-initialization-and-validation><span>Read-once Initialization and Validation</span></a>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsreleased-entity-li>
<a href=/docs/navpatterns/patterns/released-entity/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsreleased-entity><span>Released Entity</span></a>
@ -275,9 +251,7 @@ Description For a processing routine to behave correctly, it needs sometimes inp
<a href=/docs/navpatterns/patterns/security/4-masked-text/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternssecurity4-masked-text><span>Masked Text</span></a>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatternspatternssecurity5-ssl-in-nav-li>
<a href=/docs/navpatterns/patterns/security/5-ssl-in-nav/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternssecurity5-ssl-in-nav><span>SSL in NAV</span></a>
</li>
</ul>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternssetup-specificity-fallback-li>
</li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternssetup-specificity-fallback-li>
<a href=/docs/navpatterns/patterns/setup-specificity-fallback/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternssetup-specificity-fallback><span>Setup Specificity Fallback</span></a>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternssilent-file-upload-and-download-li>
<a href=/docs/navpatterns/patterns/silent-file-upload-and-download/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternssilent-file-upload-and-download><span>Silent File Upload and Download</span></a>
@ -293,11 +267,7 @@ Description For a processing routine to behave correctly, it needs sometimes inp
<a href=/docs/navpatterns/patterns/singleton/singleton-table/cue-table/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternssingletonsingleton-tablecue-table><span>Cue Table</span></a>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatternspatternssingletonsingleton-tablesetup-table-li>
<a href=/docs/navpatterns/patterns/singleton/singleton-table/setup-table/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternssingletonsingleton-tablesetup-table><span>Setup Table</span></a>
</li>
</ul>
</li>
</ul>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsstandard-journal-li>
</li></ul></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsstandard-journal-li>
<a href=/docs/navpatterns/patterns/standard-journal/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsstandard-journal><span>Standard Journal</span></a>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternstemporary-dataset-report-li>
<a href=/docs/navpatterns/patterns/temporary-dataset-report/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternstemporary-dataset-report><span>Temporary Dataset Report</span></a>
@ -307,18 +277,14 @@ Description For a processing routine to behave correctly, it needs sometimes inp
<a href=/docs/navpatterns/patterns/transfer-custom-fields/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternstransfer-custom-fields><span>Transfer Custom Fields</span></a>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-docsnavpatternspatternsvariant-facade-li>
<a href=/docs/navpatterns/patterns/variant-facade/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatternspatternsvariant-facade><span>Variant Facade</span></a>
</li>
</ul>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-docsnavpatterns2-anti-patterns-li>
</li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-docsnavpatterns2-anti-patterns-li>
<a href=/docs/navpatterns/2-anti-patterns/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatterns2-anti-patterns><span>2. Anti-Patterns</span></a>
<ul class="ul-3 foldable">
<li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns2-anti-patternsnav-upgrade-li>
<a href=/docs/navpatterns/2-anti-patterns/nav-upgrade/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns2-anti-patternsnav-upgrade><span>Nav Upgrade</span></a>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns2-anti-patternsreusable-bugs-li>
<a href=/docs/navpatterns/2-anti-patterns/reusable-bugs/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns2-anti-patternsreusable-bugs><span>Reusable Bugs</span></a>
</li>
</ul>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-docsnavpatterns3-cal-coding-guidelines-li>
</li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-docsnavpatterns3-cal-coding-guidelines-li>
<a href=/docs/navpatterns/3-cal-coding-guidelines/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatterns3-cal-coding-guidelines><span>3. CAL Coding Guidelines</span></a>
<ul class="ul-3 foldable">
<li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesign-li>
@ -352,18 +318,14 @@ Description For a processing routine to behave correctly, it needs sometimes inp
<a href=/docs/navpatterns/3-cal-coding-guidelines/design/variable-capacity-mismatch/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesdesignvariable-capacity-mismatch><span>Variable Capacity Mismatch</span></a>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesdesignwith-scope-name-collision-li>
<a href=/docs/navpatterns/3-cal-coding-guidelines/design/with-scope-name-collision/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesdesignwith-scope-name-collision><span>WITH Scope Name Collision</span></a>
</li>
</ul>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesinternally-used-dot-net-types-li>
</li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesinternally-used-dot-net-types-li>
<a href=/docs/navpatterns/3-cal-coding-guidelines/internally-used-dot-net-types/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesinternally-used-dot-net-types><span>Internally used DotNet Types</span></a>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesinternationalization-li>
<a href=/docs/navpatterns/3-cal-coding-guidelines/internationalization/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatterns3-cal-coding-guidelinesinternationalization><span>Internationalization</span></a>
<ul class="ul-4 foldable">
<li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelinesinternationalizationusing-calcdate-li>
<a href=/docs/navpatterns/3-cal-coding-guidelines/internationalization/using-calcdate/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docsnavpatterns3-cal-coding-guidelinesinternationalizationusing-calcdate><span>Using Calcdate</span></a>
</li>
</ul>
</li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child collapse" id=m-docsnavpatterns3-cal-coding-guidelineslocalizability-li>
</li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child collapse" id=m-docsnavpatterns3-cal-coding-guidelineslocalizability-li>
<a href=/docs/navpatterns/3-cal-coding-guidelines/localizability/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-docsnavpatterns3-cal-coding-guidelineslocalizability><span>Localizability</span></a>
<ul class="ul-4 foldable">
<li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child collapse" id=m-docsnavpatterns3-cal-coding-guidelineslocalizabilitycaptionml-for-system-tables-li>
@ -376,9 +338,7 @@ Description For a processing routine to behave correctly, it needs sometimes inp
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@ -445,9 +405,7 @@ Description For a processing routine to behave correctly, it needs sometimes inp
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@ -493,27 +443,14 @@ Description For a processing routine to behave correctly, it needs sometimes inp
<a href=/docs/contributing/installhugo/manuallyonwindows11/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-docscontributinginstallhugomanuallyonwindows11><span>Manually on Windows 11</span></a>
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<h1>Posting Routine - Select Behavior</h1>
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<h1>Posting Routine - Select Behavior</h1><header class=article-meta>
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<p><em>By waldo</em></p>
<h2 id=abstract>Abstract</h2>
<p>Send information (parameters) to a processing framework/routine so that it knows what to do, how to behave.</p>
<h2 id=description>Description</h2>
<p>For a processing routine to behave correctly, it needs sometimes input of a user to know what it has to do, check or avoid doing. To do this, usually a piece of UI is getting called (STRMENU) with the question what to do. These input needs to get to the routine.</p>
<ol>
<li>The user selects the option on how he wants the process to behave</li>
<li>There are extra fields on the processing table, that are used internally and act like parameters. These Fields get filled according to the selections that the user has made</li>
<li>The processing codeunit receives the processing table, and therefor also the parameters</li>
</ol>
<p><a href=7585.PostingRoutineSelectBehaviour1.png><img src=7585.PostingRoutineSelectBehaviour1.png alt=" "></a></p>
<h2 id=usage>Usage</h2>
<p>Example: Sales Post.</p>
<p>On Sales Header, there were fields created which act like internal parameter-fields for the &ldquo;Sales Post&rdquo; routine:</p>
<p><a href=1563.PostingRoutineSelectBehaviour2.png><img src=1563.PostingRoutineSelectBehaviour2.png alt=" "></a></p>
<p>When pressing &ldquo;Post&rdquo;, the Selection Codeunit is getting called:</p>
<p><a href=5428.PostingRoutineSelectBehaviour3.png><img src=5428.PostingRoutineSelectBehaviour3.png alt=" "></a></p>
<p>Or in case of the Post&Print, the selection codeunit is different:</p>
<p><a href=6170.PostingRoutineSelectBehaviour4.png><img src=6170.PostingRoutineSelectBehaviour4.png alt=" "></a></p>
<p>Next, the user is able to select the options with an STRMENU, which results in filling in the fields above, like:</p>
<div class=highlight><pre tabindex=0 style=background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-al data-lang=al>Selection<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#ce5c00;font-weight:700>:=</span><span style=color:#f8f8f8;text-decoration:underline> </span>STRMENU<span style=color:#ce5c00;font-weight:700>(</span>Text000<span style=color:#000;font-weight:700>,</span><span style=color:#0000cf;font-weight:700>3</span><span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>IF</span><span style=color:#f8f8f8;text-decoration:underline> </span>Selection<span style=color:#f8f8f8;text-decoration:underline> </span>=<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#0000cf;font-weight:700>0</span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>THEN</span><span style=color:#f8f8f8;text-decoration:underline>
</span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>EXIT</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span><span style=color:#f8f8f8;text-decoration:underline></span>Ship<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#ce5c00;font-weight:700>:=</span><span style=color:#f8f8f8;text-decoration:underline> </span>Selection<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>IN</span><span style=color:#f8f8f8;text-decoration:underline> </span>[<span style=color:#0000cf;font-weight:700>1</span><span style=color:#000;font-weight:700>,</span><span style=color:#0000cf;font-weight:700>3</span>]<span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span><span style=color:#f8f8f8;text-decoration:underline></span>Invoice<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#ce5c00;font-weight:700>:=</span><span style=color:#f8f8f8;text-decoration:underline> </span>Selection<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>IN</span><span style=color:#f8f8f8;text-decoration:underline> </span>[<span style=color:#0000cf;font-weight:700>2</span><span style=color:#000;font-weight:700>,</span><span style=color:#0000cf;font-weight:700>3</span>]<span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></code></pre></div><p>The processing codeunit is being called after these options were set.</p>
<h2 id=nav-usages>NAV Usages</h2>
<p>This is also being used in the Purchase Post.</p>
<p>However, the Service Post works different. In Short:</p>
<ul>
<li>There were no parameter fields added to the processing table (Service Header)</li>
<li>The processing routine isn&rsquo;t called by CODEUNIT.RUN, but a function in a declared codeunit, where you pass the Invoice and Ship parameter separately.</li>
</ul>
<h2 id=ideas-for-improvement>Ideas for improvement</h2>
<p>Implement it consequently. There is (in my knowledge) no reason to do Service Posting differently from Sales and Purchase.</p>
<p>Furthermore, one might argue if adding fields to a table (which also means adding fields to the SQL Table) is the right solution to pass parameters to processing methods.</p>
<p>On the other hand, as we are handling tables as being &ldquo;classes&rdquo; in many cases, it does make sense to add &ldquo;properties&rdquo; to those &ldquo;classes&rdquo; to change the behavior of the method (SalesHeader.Post).</p>
<h2 id=related-topics>Related Topics</h2>
<p>I would like to add a pattern like &ldquo;Using Argument tables&rdquo; (as a sub-pattern for the facade-pattern). It somewhat is related to this way of handling parameters: using tablefields to pass a flexible amount of parameters to functions/codeunits.</p>
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<li><a class=taxonomy-term href=https://alguidelines.dev/categories/pattern/ data-taxonomy-term=pattern><span class=taxonomy-label>Pattern</span></a></li></ul></div></header><p><em>By waldo</em></p><h2 id=abstract>Abstract</h2><p>Send information (parameters) to a processing framework/routine so that it knows what to do, how to behave.</p><h2 id=description>Description</h2><p>For a processing routine to behave correctly, it needs sometimes input of a user to know what it has to do, check or avoid doing. To do this, usually a piece of UI is getting called (STRMENU) with the question what to do. These input needs to get to the routine.</p><ol>
<li>The user selects the option on how he wants the process to behave</li><li>There are extra fields on the processing table, that are used internally and act like parameters. These Fields get filled according to the selections that the user has made</li><li>The processing codeunit receives the processing table, and therefor also the parameters</li></ol><p><a href=7585.PostingRoutineSelectBehaviour1.png><img src=7585.PostingRoutineSelectBehaviour1.png alt=" "></a></p><h2 id=usage>Usage</h2><p>Example: Sales Post.</p><p>On Sales Header, there were fields created which act like internal parameter-fields for the &ldquo;Sales Post&rdquo; routine:</p><p><a href=1563.PostingRoutineSelectBehaviour2.png><img src=1563.PostingRoutineSelectBehaviour2.png alt=" "></a></p><p>When pressing &ldquo;Post&rdquo;, the Selection Codeunit is getting called:</p><p><a href=5428.PostingRoutineSelectBehaviour3.png><img src=5428.PostingRoutineSelectBehaviour3.png alt=" "></a></p><p>Or in case of the Post&Print, the selection codeunit is different:</p><p><a href=6170.PostingRoutineSelectBehaviour4.png><img src=6170.PostingRoutineSelectBehaviour4.png alt=" "></a></p><p>Next, the user is able to select the options with an STRMENU, which results in filling in the fields above, like:</p><div class=highlight><pre tabindex=0 style=background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-al data-lang=al><span style=display:flex><span>Selection<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#ce5c00;font-weight:700>:=</span><span style=color:#f8f8f8;text-decoration:underline> </span>STRMENU<span style=color:#ce5c00;font-weight:700>(</span>Text000<span style=color:#000;font-weight:700>,</span><span style=color:#0000cf;font-weight:700>3</span><span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>IF</span><span style=color:#f8f8f8;text-decoration:underline> </span>Selection<span style=color:#f8f8f8;text-decoration:underline> </span>=<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#0000cf;font-weight:700>0</span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>THEN</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>EXIT</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span>Ship<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#ce5c00;font-weight:700>:=</span><span style=color:#f8f8f8;text-decoration:underline> </span>Selection<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>IN</span><span style=color:#f8f8f8;text-decoration:underline> </span>[<span style=color:#0000cf;font-weight:700>1</span><span style=color:#000;font-weight:700>,</span><span style=color:#0000cf;font-weight:700>3</span>]<span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span>Invoice<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#ce5c00;font-weight:700>:=</span><span style=color:#f8f8f8;text-decoration:underline> </span>Selection<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>IN</span><span style=color:#f8f8f8;text-decoration:underline> </span>[<span style=color:#0000cf;font-weight:700>2</span><span style=color:#000;font-weight:700>,</span><span style=color:#0000cf;font-weight:700>3</span>]<span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p>The processing codeunit is being called after these options were set.</p><h2 id=nav-usages>NAV Usages</h2><p>This is also being used in the Purchase Post.</p><p>However, the Service Post works different. In Short:</p><ul>
<li>There were no parameter fields added to the processing table (Service Header)</li><li>The processing routine isn&rsquo;t called by CODEUNIT.RUN, but a function in a declared codeunit, where you pass the Invoice and Ship parameter separately.</li></ul><h2 id=ideas-for-improvement>Ideas for improvement</h2><p>Implement it consequently. There is (in my knowledge) no reason to do Service Posting differently from Sales and Purchase.</p><p>Furthermore, one might argue if adding fields to a table (which also means adding fields to the SQL Table) is the right solution to pass parameters to processing methods.</p><p>On the other hand, as we are handling tables as being &ldquo;classes&rdquo; in many cases, it does make sense to add &ldquo;properties&rdquo; to those &ldquo;classes&rdquo; to change the behavior of the method (SalesHeader.Post).</p><h2 id=related-topics>Related Topics</h2><p>I would like to add a pattern like &ldquo;Using Argument tables&rdquo; (as a sub-pattern for the facade-pattern). It somewhat is related to this way of handling parameters: using tablefields to pass a flexible amount of parameters to functions/codeunits.</p><div style=position:relative;padding-bottom:56.25%;height:0;overflow:hidden>
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Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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