docs: def install_trigger(connection: connection, table: str, schema: str='public', overwrite: bool=False) -> None:
      """Install a psycopg2-pgevents trigger against a table.
  
      Parameters
      ----------
      connection: psycopg2.extensions.connection
          Active connection to a PostGreSQL database.
      table: str
          Table for which the trigger should be installed.
      schema: str
          Schema to which the table belongs.
      overwrite: bool
          Whether or not to overwrite existing installation of trigger for the
          given table, if existing installation is found.
  
      Returns
      -------
      None
  
      """
      prior_install = False
  
      if not overwrite:
          prior_install = trigger_installed(connection, table, schema)
  
      if not prior_install:
          log('Installing {}.{} trigger...'.format(schema, table), logger_name=_LOGGER_NAME)
  
          statement = INSTALL_TRIGGER_STATEMENT.format(
              schema=schema,
              table=table
          )
          execute(connection, statement)
      else:
          log('{}.{} trigger already installed; skipping...'.format(schema, table), logger_name=_LOGGER_NAME)