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Description

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This way, the value is set, but the user will not be prompted.

    // [Example] Change an existing step : Add item description to existing InfoStep helpLabel)Hide printer step, instead of collecting the value, set a (hidden) default value
    [EventSubscriber(ObjectType::Codeunit, Codeunit::"MOB Print", 'OnLookupOnPrintLabel_OnAfterAddStepForTemplate', '', true, true)]
    procedure MyOnLookupOnPrintLabel_OnAfterAddStepForTemplate(_TemplateName: Text[50]; _SourceRecRef: RecordRef; var _Step: Record "MOB Steps Element"; var _Dataset: Record "MOB Common Element")
    var
        MobPrinter: Record "MOB Printer";
    begin

        // Making sure we only handle relevant label templates
        ifnot _TemplateName.Contains('3x2') then  
            exit;

        // Find the printer to use
        MobPrinter.FindFirst();  

        // Set defaultValue and hide printer-step
        if _Step.Get_name() = 'Printer'thenbegin
            _Step.Set_defaultValue(MobPrinter.Name);    
            _Step.Set_visible(false);
        end;
    end;

See also 

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