code: function (channelIdentifier, triggerIdentifier) {
        var path;
        if (channelIdentifier && triggerIdentifier) {
          path = this.constructPath(constants.CHANNELS, channelIdentifier, constants.TRIGGERS, triggerIdentifier);
          return this.Core.DELETE(path);
        } else {
          return this.rejectRequest('Bad Request: A channel identifier and a trigger identifier are required.');
        }
      }
docs: Delete a trigger from a channel
  @param  {String|Integer} channelIdentifier A Robin channel identifier
  @param  {String|Integer} triggerIdentifier A Robin channel data point identifier
  @return {Function}                         A Promise