| hostId | Host id associated with this broadcast. |
| key | Key part of the credentials associated with this broadcast. |
| version | Version part of the credentials associated with this broadcast. |
| subversion | Subversion part of the credentials associated with this broadcast. |
| error | Error (can be casted to NetworkError for more information). |
Sets the credentials required for receiving broadcast messages. Should any credentials of a received broadcast message not match, the broadcast discovery message is dropped.