Creates an enum option and adds it to this custom field's list of enum options. A custom field can have at most 50 enum options (including disabled options). By default new enum options are inserted at the end of a custom field's list.
        
        Returns the full record of the newly created enum option.

        Parameters
        ----------
        custom_field : {Id} Globally unique identifier for the custom field.
        [data] : {Object} Data for the request
          - name : {String} The name of the enum option.
          - [color] : {String} The color of the enum option. Defaults to 'none'.
          - [insert_before] : {Id} An existing enum option within this custom field before which the new enum option should be inserted. Cannot be provided together with after_enum_option.
          - [insert_after] : {Id} An existing enum option within this custom field after which the new enum option should be inserted. Cannot be provided together with before_enum_option.

def create_enum_option(self, custom_field, params={}, **options): 
        """Creates an enum option and adds it to this custom field's list of enum options. A custom field can have at most 50 enum options (including disabled options). By default new enum options are inserted at the end of a custom field's list.
        
        Returns the full record of the newly created enum option.

        Parameters
        ----------
        custom_field : {Id} Globally unique identifier for the custom field.
        [data] : {Object} Data for the request
          - name : {String} The name of the enum option.
          - [color] : {String} The color of the enum option. Defaults to 'none'.
          - [insert_before] : {Id} An existing enum option within this custom field before which the new enum option should be inserted. Cannot be provided together with after_enum_option.
          - [insert_after] : {Id} An existing enum option within this custom field after which the new enum option should be inserted. Cannot be provided together with before_enum_option.
        """
        path = "/custom_fields/%s/enum_options" % (custom_field)
        return self.client.post(path, params, **options)