Slash command route (for SlackAppDemo)

SlashCommand.js

router.post('/SlackAppDemo',function(req,res) {
    try {
        const response = {
          response_type: 'in_channel',
          channel: req.body.channel_id,
          text: 'Hey there...:',
          attachments: [{
            text: 'What would you like to know in this project?',
            fallback: 'What would you like to know in this project?',
            color: '#2c963f',
            attachment_type: 'default',
            callback_id: 'query_selection',
            actions: [{
              name: 'query_select_menu',
              text: 'Choose an option...',
              type: 'select',
              options: queryOptions,
            }],
          }],
        };
        return res.json(response);
      } catch (err) {
        console.log(err);
        return res.status(500).send('Something went wrong :(');
      }
});