Hello Team,
Please provide ability to read custom MIP Sdk labels using https://graph.microsoft.com/v1.0/me/messages endpoint.
There is a non-documented approach which allows to do it, however I can't use in production because it's not officially documented and supported:
https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgraph.microsoft.com%2Fv1.0%2Fme%2FmailFolders%2FAQMkADRiNzI2ZmJmLWEwYTctNDVhMC05NGU5LTY0NWI5ZjcxMQBkODYALgAAAwVGHMMiP6tNj2Iua5L7te4BAPmucJ-qp61MkymQOprV4M8AAAIBDAAAAA%3D%3D%2Fmessages%2FAAMkADRiNzI2ZmJmLWEwYTctNDVhMC05NGU5LTY0NWI5ZjcxMWQ4NgBGAAAAAAAFRhzDIj_rTY9iLmuS_7XuBwD5rnCf6qetTJMpkDqa1eDPAAAAAAEMAAD5rnCf6qetTJMpkDqa1eDPAAUhWSskAAA%3D%3F%24expand%3DsingleValueExtendedProperties(%24filter%3Did&data=05%7C01%7Cishelekhov%40varonis.com%7C4bca220ce4824648358a08db522d93a8%7C080f3eaf1e2e4baf8c3be36006ff4ee8%7C0%7C0%7C638194127971004938%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=rD4MLHL2hkrkYygN8bqYbvkhXf%2Bp43SsWvC75xtWbVY%3D&reserved=0 eq 'String {00020386-0000-0000-C000-000000000046} Name msip_labels')