fields = {
'tag_type_id': Parameter(int, "Node tag type identifier"),
'tagname': Parameter(str, "Node tag type name", max = 100),
'description': Parameter(str, "Node tag type description", max = 254),
'category' : Parameter (str, "Node tag category", max=64, optional=True),
fields = {
'tag_type_id': Parameter(int, "Node tag type identifier"),
'tagname': Parameter(str, "Node tag type name", max = 100),
'description': Parameter(str, "Node tag type description", max = 254),
'category' : Parameter (str, "Node tag category", max=64, optional=True),