Mark whether the whole thread, i.e. all the messages in the thread, are seen or unseen for the current user. This does not affect whether the user is subscribed to the thread or not.
// To mark a thread as unseen
await window.CordSDK.thread.setSeen('my-awesome-thread-id', false);
// To mark a thread as seen
await window.CordSDK.thread.setSeen('my-awesome-thread-id', true);
What this function returns #
A promise that resolves to
true if the operation succeeded or rejects if it failed.
Arguments this function takes #
Whether the thread should now be seen (true) or unseen (false).