The link is a link to a video chat. Call searchPublicChat with the given chat username, and then joinGroupCall with the given invite hash to process the link. Subtype of InternalLinkType.
Username of the chat with the video chat.
If non-empty, invite hash to be used to join the video chat without being muted by administrators.
Optional
True, if the video chat is expected to be a live stream in a channel or a broadcast group.
The link is a link to a video chat. Call searchPublicChat with the given chat username, and then joinGroupCall with the given invite hash to process the link. Subtype of InternalLinkType.