Reset the unseenCount of all the posts that the current user has not seen since their last visit. Supported for only Office 365 groups.
One of the following scopes is required to execute this API: Group.ReadWrite.All
Do not supply a request body for this method.
If successful, this method returns
200, OK response code. It does not return anything in the response body.
Here is an example of how to call this API.
Here is an example of the request.
Here is an example of the response.
HTTP/1.1 200 OK