To modify a channel

The following update-channel example modifies the settings for the specified channel.

aws iotanalytics update-channel \
    --cli-input-json file://update-channel.json

Contents of update-channel.json:

{
    "channelName": "mychannel",
    "retentionPeriod": {
        "numberOfDays": 92
    }
}

This command produces no output.

For more information, see UpdateChannel in the AWS IoT Analytics API Reference.