code: function Filter(operation, filter) {
  	Filter.super_.call(this, 'Filter');
  	this.set('Operation', operation);
  	this.set('Filter', filter);
  }
docs: Filter Action.
  @constructor
  @param {String} operation. The value of the "Operation" key.
  @param {String} filter. The value of the "Filter" key.
  @see Action(String)
  @see See <a href="https://wiki.asterisk.org/wiki/display/AST/Asterisk+11+ManagerAction_Filter">https://wiki.asterisk.org/wiki/display/AST/Asterisk+11+ManagerAction_Filter</a>.
  @augments Action