def update(self, uid, **kwargs):
return self.update_instance(uid, kwargs)<EOL>
Updates the CustomField for the given unique id.
Returns :class:`CustomField` object contains id and link to CustomField.

:Example:

client.custom_fields.update(uid=1900901, name="New Name")

:param int uid:  The unique id of the CustomField to update. Required.
:param str name: Name of custom field. Required.