Marks form submissions as "seen".
This function marks the submissions as if they were seen by the site owner. Only site collaborators with the Manage Submission permissions can mark submissions.
You can only call this method when authenticated as a Wix app or Wix user identity.
IDs of submissions to mark as seen.
ID of the form which the submissions belong to.
This method doesn’t return any custom errors, but may return standard errors. Learn more about standard Wix errors.