My current solution is a hidden field in the body and the same name as in the MasterPage, both set to global

I need to change a text-field on the masterpage:Formular1.#pageSet[0].Seite1.Schaltfläche1::click - (JavaScript, client)// what is wrong with this code?xfa.resolveNode("TestForm.#pageSet.Seite1.FP_Formular").rawValue="test"; //does not workFormular1.Masterseite.Seite1.FP_Formular.rawValue="Test"; //...