Feature capability string that controls what actions a participant can perform.
Capabilities are organized into categories:
- self.* — Actions the local participant can perform on themselves (mute, deaf, volume, position, meta).
- member.* — Actions that can be performed on other participants.
- layout.* — Layout management for the video canvas.
- digit.* — DTMF digit sending.
- vmuted.* — Visibility control for muted video participants.
- lock.* — Room lock/unlock control.
- device / screenshare — Device and screen share capabilities.
- end — Permission to end the call or room.