Negative numeric Telegram channel ID (e.g. -1001234567890)

Each star channel uses its own Star Manager API token, so you can mix channels from different accounts. User is approved if they're a member of any of these.

Placeholders: {first_name} {last_name} {username} {user_id}

This user gets an Approve / Decline prompt in Telegram for join requests that aren't auto-approved (non-star members). Leave blank to disable.