Discord: #choose-a-text-channel, #!choose-a-voice-channel
Sesh: <#text-channel-id>, <#voice-channel-id>
Click ⚙️ in the left corner of your discord page.

Hit Advanced in the slide bar and enable your developer mode

Now, you’ve open the developer mode, Let’s extract a channel id
Right click the channel, Copy ID — A string of numbers

With the help of Discord application, it’s a piece of cake to mention a text channel. Just type # and Discord will show all channels you can mention except voice channels.

Similarly, use #! to mention a voice channel you want!
Sesh bot does not support the above hints. You need to indicate the channel by yourself
Format: <#Text/Voice-Channel-ID>
