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Chat SDKs Flutter v3
Chat SDKs Flutter
Chat SDKs
Version 3
Sendbird Chat SDK v3 for Flutter is no longer supported as a new version is released. Check out our latest Chat SDK v4

Retrieve number of members who haven't received a message

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You can retrieve the number of members who haven’t received a specific message in a group channel through the getUndeliveredMembers() method. When the value of 0 is returned, it means that the message has been successfully delivered to all members in the channel.

final count = channel.getUndeliveredMembers(message).length;