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DocumentationChatNo UI IntegrationUser Profile and Relationship ChainBlocklistFlutter

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Last updated: 2026-08-06 17:28:59
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Feature Description

To block a user's messages, add the user to the blocklist.

Blocklist

Blocking a user

Call the addToBlackList API (Details) to add a user to the blocklist, that is, block the user.
By default, a blocked user does not know that he/she is "blocked". After the user sends a message, the error code indicating that he/she has been blocked will not be returned.
To have the "You have been blocked by the user" error message returned after a blocked user sends a message, you can log in to the Console > Chat > Configuration > Friends. Set Blocked User Message Sending Status. Choose Show as failed, when a blocked user sends a message, a failure message appears, and the SDK receives error code 20007.
// Add a user to the blocklist
V2TimValueCallback<List<V2TimFriendOperationResult>> addBlackList = await friendshipManager.addToBlackList(userIDList: ['user1']);

Unblocking a user

Call deleteFromBlackList (Details) to remove a user from the blocklist, after which messages from the user can be received.

// Remove a user from the blocklist
V2TimValueCallback<List<V2TimFriendOperationResult>> deleteBlackList = await friendshipManager.deleteFromBlackList(userIDList: ['user1']);

Getting the blocklist

Call getBlackList (Details) to view how many users have been blocked and manage them.
// Get the blocklist
V2TimValueCallback<List<V2TimFriendInfo>> blacklist = await friendshipManager.getBlackList();

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