Marks all messages in a group channel as read for a specific user. This action is only applicable for users in a group channel.
The following table lists the parameters that this action supports.
Specifies the URL of the target channel.
The following table lists the properties of an HTTP request that this action supports.
Specifies the ID of the target user.
Specifies the timestamp to be the reference point of marking as read. If specified, the messages received before the specified time are marked as read.
If successful, this action returns an empty response body.
In the case of an error, an error object is returned. A detailed list of error codes is available here.