android - Firebase - Send notification from device to device on node updates -


i have android game users can or dislike other peoples answers. when so, specific node gets updated on firebase.

what simple way inform player push notification (like : x liked answer)? firebase console can send notifications users in case want related player informed.

the obvious solution store list of user ids user, liked post child of 'post' record , instead of firebase messaging subscribe update event of post. solution - use group messaging (see samples)


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