Parameter.CreateProjectParameter add Category to existing Parameter

This should help:

itCurrent = []

iterator = doc.ParameterBindings.ForwardIterator()

while iterator.MoveNext():
	itCurrent.append(iterator.Current.GetType().ToString())

for i in itCurrent:
		if 'InstanceBinding' in i:
			tests.append('instance')
		else:
			tests.append('type');

OUT = (tests)