After you create a new channel you can later change the settings on the fly while in the channel.
Step 1 – Open left curtain as shown in Fig. 1
Step 2 – Click edit channel as shown in Fig. 2.
Step 3 – Managers of the channel only – View and edit channel settings such as adding forms to the channel, inviting new users or changing the type of the channel as shown in Fig. 3.