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Use this event to

Description

affects Headers affect which Orders are displayed.  This This event "handles" each filter.

With this event you can perform can perform basic record filtering of Orders.

If you have complex conditions, consider consider OnGetReceiveOrders_OnInclude... instead instead. 

Learn about Basic vs. Complex filtering

Template

    [EventSubscriber(ObjectType::Codeunit, Codeunit::"MOB WMS Receive", 'OnGetReceiveOrders_OnSetFilterPurchaseOrder', '', true, true)]
    local procedure OnGetReceiveOrders_OnSetFilterPurchaseOrder(_HeaderFilter: Record "MOB NS Request Element"; var _PurchHeader: Record "Purchase Header"; var _PurchLine: Record "Purchase Line"; var _IsHandled: Boolean)
    begin
    end;

Example 1: Modify standard header filter

    [EventSubscriber(ObjectType::Codeunit, Codeunit::"MOB WMS Receive", 'OnGetReceiveOrders_OnSetFilterPurchaseOrder', '', true, true)]
    local procedure MyOnGetReceiveOrders_OnSetFilterPurchaseOrder(_HeaderFilter: Record "MOB NS Request Element"; var _PurchHeader: Record "Purchase Header"; var _PurchLine: Record "Purchase Line"; var _IsHandled: Boolean)
    var
        PurchaseHeader: Record "Purchase Header";
    begin
        // [Scenario] Validate the standard "Purchase Order" filter,
        // [Scenario] by checking the order is Open. 
        // [Scenario] If not, abort process and force user to change filter with an error message
        // [Scenario] Do not handle the filter, so standard filter works are normal

        if _HeaderFilter.Name = 'PurchaseOrderNumber' then
            if PurchaseHeader.Get(PurchaseHeader."Document Type"::"Order", _HeaderFilter."Value") and (PurchaseHeader.Status <> PurchaseHeader.Status::Released) then
                Error('Purchase Order %1 is not released', PurchaseHeader."No.");
    end;

Example 2: Add custom filters to Standard headers

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