code: def create_string_array(self, key, value):
          
          data = None
          if key is not None and value is not None:
              if isinstance(value, (list)):
                  data = self.db.create(key.strip(), json.dumps(value))
              else:
                  # used to save raw value with embedded variables
                  data = self.db.create(key.strip(), value)
          else:
              self.tcex.log.warning(u'The key or value field was None.')
          return data
docs: Create method of CRUD operation for string array data.
  
          Args:
              key (string): The variable to write to the DB.
              value (any): The data to write to the DB.
  
          Returns:
              (string): Result of DB write.