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Use this event to

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Supersedes OnLookupOnCustomLookupTypeAsXml and (Legacy) OnLookupOnCustomLookupType (MOB5.21 - MOB5.28)

Sample request

<request name="Lookup" created="2018-12-06T15:23:00+01:00" xmlns="http://schemas.microsoft.com/Dynamics/Mobile/2007/04/Documents/Request">
     <requestData name="Lookup">
          <ItemNumber>1980-s</ItemNumber>
          <LookupType>MyCustomSubstituteItems</LookupType>
    </requestData>
</request>

Template

    [EventSubscriber(ObjectType::Codeunit, Codeunit::"MOB WMS Lookup", 'OnLookupOnCustomLookupType', '', true, true)]
    local procedure OnLookupOnCustomLookupType(_MessageId: Guid; _LookupType: Text; var _RequestValues: Record "MOB NS Request Element"; var _LookupResponseElement: Record "MOB NS WhseInquery Element"; var _RegistrationTypeTracking: Text; var _IsHandled: Boolean)
    begin
    end;

Example

    [EventSubscriber(ObjectType::Codeunit, Codeunit::"MOB WMS Lookup", 'OnLookupOnCustomLookupType', '', true, true)]
    local procedure MyOnLookupOnCustomLookupType(_MessageId: Guid; _LookupType: Text; var _RequestValues: Record "MOB NS Request Element"; var _LookupResponseElement: Record "MOB NS WhseInquery Element"; var _RegistrationTypeTracking: Text; var _IsHandled: Boolean)
    begin
        if _LookupType = 'MyCustomSubstituteItems' then begin
            if _IsHandled then
                exit;

            MyCustomLookupSubstituteItems(_RequestValues, _LookupResponseElement);

            _IsHandled := true;
        end;
    end;

    local procedure MyCustomLookupSubstituteItems(var _RequestValues: Record "MOB NS Request Element"; var _LookupResponseElement: Record "MOB NS WhseInquery Element")
    var
        ItemSubstitution: Record "Item Substitution";
        MobWmsLookup: Codeunit "MOB WMS Lookup";
        MobToolbox: Codeunit "MOB Toolbox";
        MobWmsToolbox: Codeunit "MOB WMS Toolbox";
        MobXmlMgt: Codeunit "MOB Xml Management";
        MobItemReferenceMgt: Codeunit "MOB Item Reference Mgt.";
        ScannedItemNumber: Text;
        ItemNumber: Code[20];
        VariantCode: Code[10];
    begin
        // Read Request
        ScannedItemNumber := _RequestValues.GetValue('ItemNumber', true);
        ItemNumber := MobItemReferenceMgt.SearchItemReference(CopyStr(MobToolbox.ReadEAN(ScannedItemNumber), 1, 50), VariantCode);

        // Determine if the item has substitutes
        ItemSubstitution.SetRange("No.", MobWmsToolbox.GetItemNumber(ItemNumber));
        ItemSubstitution.SetRange("Variant Code", VariantCode);

        if ItemSubstitution.FindSet() then
            repeat
                // Collect the buffer values for the <LookupResponse> element
                _LookupResponseElement.Create();
                MyCustomSetFromLookupSubstituteItem(ItemSubstitution, _LookupResponseElement);
                _LookupResponseElement.Save();
            until ItemSubstitution.Next() = 0;
    end;

    localprocedure MyCustomSetFromLookupSubstituteItem(_ItemSubstitution: Record "Item Substitution"; var _LookupResponseElement: Record "MOB NS WhseInquery Element")
    var
        MobWmsLookup: Codeunit "MOB WMS Lookup";
        MobWmsLanguage: Codeunit "MOB WMS Language";
        MobWmsToolbox: Codeunit "MOB WMS Toolbox";
    begin
        _LookupResponseElement.Init();

        _LookupResponseElement.Set_Location('');
        _LookupResponseElement.Set_ItemNumber(_ItemSubstitution."Substitute No.");
        _LookupResponseElement.Set_Barcode('');

        _LookupResponseElement.Set_SerialNumber('');
        _LookupResponseElement.Set_LotNumber('');
        _LookupResponseElement.Set_Bin('');
        _LookupResponseElement.Set_Quantity(1);
        _LookupResponseElement.Set_UoM('');
        _LookupResponseElement.SetValue('MyCustomValue', 'My Custom Value');

        _LookupResponseElement.Set_DisplayLine1(_LookupResponseElement.Get_ItemNumber());
        _LookupResponseElement.Set_DisplayLine2(MobWmsToolbox.GetItemAndVariantDescriptionGetItemDescription(_ItemSubstitution."Substitute No.", _ItemSubstitution."Substitute Variant Code"));
        _LookupResponseElement.Set_DisplayLine3('');
        _LookupResponseElement.Set_DisplayLine4(_ItemSubstitution."Substitute Variant Code" <> '', MobWmsLanguage.GetMessage('VARIANT_LABEL') + ' ' + _ItemSubstitution."Substitute Variant Code", '');
        _LookupResponseElement.Set_DisplayLine5('Interchangeable: ' + MobWmsToolbox.Bool2TextAsDisplayFormat(_ItemSubstitution.Interchangeable));

        _LookupResponseElement.Set_ReferenceID(_ItemSubstitution);
    end;

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