Rocket.Chat/packages/rocketchat-slashcommands-help/server/server.js

import { Meteor } from 'meteor/meteor';
import { Random } from 'meteor/random';
import { TAPi18n } from 'meteor/tap:i18n';
import { slashCommands } from 'meteor/rocketchat:utils';
import { Notifications } from 'meteor/rocketchat:notifications';

/*
* Help is a named function that will replace /join commands
* @param {Object} message - The message object
*/


slashCommands.add('help', function Help(command, params, item) {
	const user = Meteor.users.findOne(Meteor.userId());
	const keys = [{
		Open_channel_user_search: 'Command (or Ctrl) + p OR Command (or Ctrl) + k',
	},
	{
		Mark_all_as_read: 'Shift (or Ctrl) + ESC',
	},
	{
		Edit_previous_message: 'Up Arrow',
	},
	{
		Move_beginning_message: 'Command (or Alt) + Left Arrow',
	},
	{
		Move_beginning_message: 'Command (or Alt) + Up Arrow',
	},
	{
		Move_end_message: 'Command (or Alt) + Right Arrow',
	},
	{
		Move_end_message: 'Command (or Alt) + Down Arrow',
	},
	{
		New_line_message_compose_input: 'Shift + Enter',
	},
	];
	keys.forEach((key) => {
		Notifications.notifyUser(Meteor.userId(), 'message', {
			_id: Random.id(),
			rid: item.rid,
			ts: new Date,
			msg: TAPi18n.__(Object.keys(key)[0], {
				postProcess: 'sprintf',
				sprintf: [key[Object.keys(key)[0]]],
			}, user.language),
		});
	});

}, {
	description: 'Show_the_keyboard_shortcut_list',
});