I'm trying to set a custom bit field on my phone call form to Null in order to force a user to select one of the two options. I've found various methods of achieving this but none seem to work. This is the one that seemed to come closest:
function SetNullPhoneType () {
var FORM_TYPE_CREATE = 1;
var FORM_TYPE_UPDATE = 2;
var FORM_TYPE_READ_ONLY = 3;
var FORM_TYPE_DISABLED = 4;
var FORM_TYPE_QUICK_CREATE = 5;
var FORM_TYPE_BULK_EDIT = 6;
var FORM_TYPE_READ_OPTIMIZED = 11;
var formType = Xrm.Page.ui.getFormType();
if (formType == FORM_TYPE_CREATE)
{
Xrm.Page.getAttribute(new_neworfollowupcall).setValue(null);
}
};
But I get "Error:Object doesn't support property or method "setValue" when the form loads. Any idea what I'm doing wrong?