How-to: Display a Confirm dialog

Description

You want to prompt the user to Confirm a message.

Example on receipt posting

[EventSubscriber(ObjectType::Codeunit, Codeunit::"MOB WMS Receive", 'OnPostReceiveOrder_OnBeforePostAnyOrder', '', true, true)]
    local procedure OnPostReceiveOrder_OnBeforePostAnyOrder(var _OrderValues: Record "MOB Common Element"; var _RecRef: RecordRef);
    var
        MobToolbox: Codeunit "MOB Toolbox";
    begin
        MobToolbox.ErrorIfNotConfirm('You are stopped for some condition... Do you want to continue?', _OrderValues);
    end;

See OnPostReceiveOrder_OnBeforePostAnyOrder

Example on a new Unplanned function 

[EventSubscriber(ObjectType::Codeunit, Codeunit::"MOB WMS Adhoc Registr.", 'OnPostAdhocRegistrationOnCustomRegistrationTypeAsXml', '', true, true)]
    local procedure OnPostAdhocRegistrationOnCustomRegistrationType(var _XMLRequestDoc: XmlDocument; var _XMLResponseDoc: XmlDocument; _RegistrationType: Text; var _RegistrationTypeTracking: Text[200]; var _IsHandled: Boolean)
    var
        MobToolbox: Codeunit "MOB Toolbox";
    begin
        if _RegistrationType <> 'MyNewUnplannedName' then
            exit;

        if _IsHandled then
            exit;

        MobToolbox.ErrorIfNotConfirm('You are stopped for some condition... Do you want to continue?', _XMLRequestDoc);

        MOBToolbox.CreateSimpleResponse(_XMLResponseDoc, '');
        _IsHandled := true;
    end;

See OnPostAdhocRegistrationOnCustomRegistrationTypeAsXml

Example on LockOrder

[EventSubscriber(ObjectType::Codeunit, Codeunit::"MOB WMS Order Locking", 'OnLockOrder_OnBeforeLockOrder', '', true, true)]
    local procedure ShowConfirmBox_OnBeforeLockOrder(_MobDocumentQueue: Record "MOB Document Queue"; var _RequestValues: Record "MOB NS Request Element"; var _IsHandled: Boolean)
    var
        MobToolbox: Codeunit "MOB Toolbox";
    begin
        if _RequestValues.GetValue('Type') = 'Pick' then
            MobToolbox.ErrorIfNotConfirm(_RequestValues, 'You are stopped for some condition... Do you want to continue?');
    end;

See OnLockOrder_OnBeforeLockOrder

How it works behind the scenes 

The key ”ForceWarning:” is prefixed to a regular ERROR() command.

Error('ForceWarning:%1', MyConfirmMessage);

1. This way front-end App knows to a display a Confirm dialog
   
   
   1. Choosing "Cancel" will return the user to the previous screen
   2. Choosing "Confirm" will automatically repeat the request with a “Force” tag included
      
      
2. The Force tag tells the backend that the Process can now be completed and NOT halted by the ERROR command.

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