code: function addSuggestions(currentActivity, rest) {
      currentActivity.suggestedActions = { actions: [] };
      let actions = rest.split('|');
      for (let action of actions) {
          currentActivity.suggestedActions.actions.push({ title: action.trim(), type: "imBack", value: action.trim() });
      }
  }
docs: Add suggested actions support
  Example: [suggestions=Option 1|Option 2|Option 3]
  @param {*} currentActivity
  @param {*} rest