original_string: public function getFieldId()
      {
          if (isset($this->_data['gtap_id_app_field']) && $this->_data['gtap_id_app_field']) {
              return FieldsDefinition::makeKey(
                      FieldMaintenanceModel::APPOINTMENTS_NAME,
                      $this->_data['gtap_id_app_field']
                      );
          }
      }
code: public function getFieldId()
      {
          if (isset($this->_data['gtap_id_app_field']) && $this->_data['gtap_id_app_field']) {
              return FieldsDefinition::makeKey(
                      FieldMaintenanceModel::APPOINTMENTS_NAME,
                      $this->_data['gtap_id_app_field']
                      );
          }
      }
code_tokens: public function getFieldId ( ) { if ( isset ( $ this -> _data [ 'gtap_id_app_field' ] ) && $ this -> _data [ 'gtap_id_app_field' ] ) { return FieldsDefinition :: makeKey ( FieldMaintenanceModel :: APPOINTMENTS_NAME , $ this -> _data [ 'gtap_id_app_field' ] ) ; } }
docstring: The field id as it is recognized be the track engine
  
  @return string
docstring_tokens: The field id as it is recognized be the track engine