Mark all messages as delivered

Marks all messages in a group channel as delivered for a specific user. This action is only applicable for users in a group channel.

PUT https://api-{application_id}.sendbird.com/v3/group_channels/{channel_url}/messages/mark_as_delivered

The following table lists the parameters that this action supports.

The following table lists the properties of an HTTP request that this action supports.

{
    "user_id": "debbie"
}

If delivered_ts, which indicates the delivery timestamp of the latest message, of the user is updated, the key ts indicating the updated value of the user's delivered_ts is included in the response in Unix milliseconds format.

{
    "ts": 1542756099266
}

Any GET API call that returns a group channel resource contains the delivery_receipt property inside the resource. A user who has never made a delivery event isn't included in the property. The property consists of the user ID and the timestamp of when the user last received the message in Unix milliseconds as shown below.

{
    "channels": [
        {
            ...

            "delivery_receipt": {
                "benjamin": 1542756099266,
                "charles": 1542756098734,
                "debbie": 1542756099266
            },
            ...

        },
        ...

    ],
    "next": "ansYQFFRQ1AIEUBXX1RcE2d0FUZSUlkJFVQRHB86AkAgNn8eABABBBNFX..."
}

In the case of an error, an error object is returned. A detailed list of error codes is available here.