Good Morning Marcel.
Perhaps the following example helps you further?
onSubmit: function(){
if (_.request.status != 101 && _.request.status != 100
{
return true;
}
if(ca_fdGetSelectedRadio(ca_fd.formId,'user_selection_type') == 'newUser'){
var kundnr = ca_fdGetTextFieldValue(ca_fd.formId, 'cust_no');
var kod2 = ca_fdGetSelectedOptionValues(ca_fd.formId,'sel_kod2')[0];
var user = ca_fdGetTextFieldValue(ca_fd.formId, 'best_for');
var newUser = kundnr + ':' + user + ':' + kod2;
ca_fdSetTextFieldValue(ca_fd.formId,'user_asset_name', newUser);
ca_fdSetTextFieldValue(ca_fd.formId,'custom2_user', newUser);
}
Kind regards, Louis.