code: func (api *API) CreateZoneAccessRule(zoneID string, accessRule AccessRule) (*AccessRuleResponse, error) {
  	return api.createAccessRule("/zones/"+zoneID, accessRule)
  }
docs: // CreateZoneAccessRule creates a firewall access rule for the given zone
  // identifier.
  //
  // API reference: https://api.cloudflare.com/#firewall-access-rule-for-a-zone-create-access-rule