I do not know where to find my channel information.
All information is found in your Developer Dashboard.
To obtain your Channel ID, access your Developer Dashboard and select the intended channel.
Upon selecting the button, the URL in the address bar will contain a 6-digit number at the end (e.g. https://developer.roku.com/developer-channels/channels/edit/package/XXXXXX), which represents your Channel ID.
Channel Access Code:
The Channel Access Code changes as you submit new channel packages. Each channel submission has its own Channel Access Code. This code installs a specific channel package.
The Channel Access Code is found on the "Publish and Preview" Screen.
Vanity Access Code:
The Vanity Access Code installs the most recently published version of your channel and is also found on the "Publish and Preview" Screen.
NOTE: If you have an unpublished channel, you will not be able to install your channel using the Vanity Access Code. You will need to use the Channel Access Code (mentioned above) to install the pending version of your channel.
Please see our Channel Publishing Documentation for more information.