bcquality/microsoft/knowledge/web-services/enable-delayedinsert-on-writable-api-pages.bad.al

// Writable API page with no DelayedInsert: on a POST the platform may insert the
// row on the first assigned field, before the rest of the payload is applied,
// failing validation that needs later fields or persisting a partial record.
page 50347 "WS DelayedInsert Bad"
{
    PageType = API;
    APIPublisher = 'contoso';
    APIGroup = 'sales';
    APIVersion = 'v1.0';
    EntityName = 'customer';
    EntitySetName = 'customers';
    ODataKeyFields = SystemId;
    SourceTable = Customer;

    layout
    {
        area(content)
        {
            repeater(records)
            {
                field(id; Rec.SystemId)
                {
                    Caption = 'id';
                    Editable = false;
                }
                field(number; Rec."No.")
                {
                    Caption = 'number';
                }
                field(displayName; Rec.Name)
                {
                    Caption = 'displayName';
                }
            }
        }
    }
}