• Operating System version: n/a
• Firebase SDK version: 6.13.0
• Library version: 6.13.0
• Firebase Product: messaging

Currently MulticastMessage does not support FcmOptions on the Java SDK, in contrast with NodeJS SDK for example.

We are using MulticastMessages and want to take advantage of AnalyticsLabel in PushNotifications.

Please find a relevant PR that adds the aforementioned functionality: #439