text: export default class ActivityLoggedEvent {
  	/**
  	 *
  	 * @param timestamp in Date ISO format{string}
  	 * @param missionID {string}
  	 * @param activityID {string}
  	 * @param params {Object}
  	 */
  	constructor( timestamp, missionID, activityID, params ) {
  		this.activityID = activityID;
  		this.missionID = missionID;
  		this.timestamp = timestamp;
  		this.params = params;
  	}
  }