| # channelQueryAndReadEtc method | |
| [ReadEtcResult](../../zircon/ReadEtcResult-class.md) channelQueryAndReadEtc | |
| ([Handle](../../zircon/Handle-class.md) channel) | |
| ## Implementation | |
| ```dart | |
| static ReadEtcResult channelQueryAndReadEtc(Handle channel) { | |
| throw UnimplementedError( | |
| 'System.channelQueryAndReadEtc() is not implemented on this platform.'); | |
| } | |
| ``` | |