**To retrieve information about a channel** The following ``describe-channel`` example displays details, including statistics, for the specified channel. :: aws iotanalytics describe-channel \ --channel-name mychannel \ --include-statistics Output:: { "statistics": { "size": { "estimatedSizeInBytes": 402.0, "estimatedOn": 1561504380.0 } }, "channel": { "status": "ACTIVE", "name": "mychannel", "lastUpdateTime": 1557860351.001, "creationTime": 1557860351.001, "retentionPeriod": { "unlimited": true }, "arn": "arn:aws:iotanalytics:us-west-2:123456789012:channel/mychannel" } } For more information, see `DescribeChannel `__ in the *AWS IoT Analytics API Reference*.