name : batch-put-message.rst **To send a message to a channel** The following ``batch-put-message`` example sends a message to the specified channel. :: aws iotanalytics batch-put-message \ --cli-binary-format raw-in-base64-out \ --cli-input-json file://batch-put-message.json Contents of ``batch-put-message.json``:: { "channelName": "mychannel", "messages": [ { "messageId": "0001", "payload": "eyAidGVtcGVyYXR1cmUiOiAyMCB9" } ] } Output:: { "batchPutMessageErrorEntries": [] } For more information, see `BatchPutMessage <https://docs.aws.amazon.com/iotanalytics/latest/APIReference/API_BatchPutMessage.html>`__ in the *AWS IoT Analytics API Reference*.