userInRoomAttributes property
Set the attributes for the current user in the current joined audio room. userAvatarUrl actually uses this attribute and occupies a property with the key "avatar".
For a single user, the sum of all Key-Value pairs must be within 100 bytes and a maximum of 20 pairs can be configured. Each Key must be within 8 bytes, Each Value must be within 64 bytes. If you want to increase the upper limit, please contact technical support.
Implementation
Map<String, String> userInRoomAttributes;