docs: def create_contentkey_authorization_policy_options(access_token, key_delivery_type="2", \
  name="HLS Open Authorization Policy", key_restriction_type="0"):
      '''Create Media Service Content Key Authorization Policy Options.
  
      Args:
          access_token (str): A valid Azure authentication token.
          key_delivery_type (str): A Media Service Content Key Authorization Policy Delivery Type.
          name (str): A Media Service Contenty Key Authorization Policy Name.
          key_restiction_type (str): A Media Service Contenty Key Restriction Type.
  
      Returns:
          HTTP response. JSON body.
      '''
      path = '/ContentKeyAuthorizationPolicyOptions'
      endpoint = ''.join([ams_rest_endpoint, path])
      body = '{ \
  		"Name":"policy",\
  		"KeyDeliveryType":"' + key_delivery_type + '", \
  		"KeyDeliveryConfiguration":"", \
  			"Restrictions":[{ \
  			"Name":"' + name + '", \
  			"KeyRestrictionType":"' + key_restriction_type + '", \
  			"Requirements":null \
  		}] \
  	}'
      return do_ams_post(endpoint, path, body, access_token, "json_only")