code: function( action, target, actionIdnentifier ) {
  			if( this._transitions[ action ] ) { return false; }
  			this._transitions[ action ] = { target : target, _id : actionIdnentifier };
  		}
docs: add the available trasitions for each state
  @param {string} action e.g.'GOTOHOME'
  @param {string} target e.g. 'HOME'