bcquality/microsoft/knowledge/events/initialize-ishandled-to-false-before-publishing.good.al

// Demonstration-only AL. Not compiled by CI; illustrates the article.
codeunit 50240 "IsHandled Init Good Sample"
{
    procedure ApplyDiscounts(var SalesHeader: Record "Sales Header")
    var
        DiscountPct: Decimal;
        HeaderIsHandled: Boolean;
        PaymentIsHandled: Boolean;
    begin
        // Each fresh local is false and belongs to one non-looping raise.
        OnBeforeApplyHeaderDiscount(SalesHeader, DiscountPct, HeaderIsHandled);
        if not HeaderIsHandled then
            DiscountPct := 5;

        // Handling the header event does not suppress this independent seam.
        OnBeforeApplyPaymentDiscount(SalesHeader, DiscountPct, PaymentIsHandled);
        if not PaymentIsHandled then
            DiscountPct += 2;
    end;

    [IntegrationEvent(false, false)]
    local procedure OnBeforeApplyHeaderDiscount(var SalesHeader: Record "Sales Header"; var DiscountPct: Decimal; var IsHandled: Boolean)
    begin
    end;

    [IntegrationEvent(false, false)]
    local procedure OnBeforeApplyPaymentDiscount(var SalesHeader: Record "Sales Header"; var DiscountPct: Decimal; var IsHandled: Boolean)
    begin
    end;
}