| **To update a pipeline** | |
| The following ``update-pipeline`` example modifies the settings of the specified pipeline. You must specify both a channel and a data store activity and, optionally, as many as 23 additional activities, in the ``pipelineActivities`` array. :: | |
| aws iotanalytics update-pipeline \ | |
| --cli-input-json file://update-pipeline.json | |
| Contents of update-pipeline.json:: | |
| { | |
| "pipelineName": "mypipeline", | |
| "pipelineActivities": [ | |
| { | |
| "channel": { | |
| "name": "myChannelActivity", | |
| "channelName": "mychannel", | |
| "next": "myMathActivity" | |
| } | |
| }, | |
| { | |
| "datastore": { | |
| "name": "myDatastoreActivity", | |
| "datastoreName": "mydatastore" | |
| } | |
| }, | |
| { | |
| "math": { | |
| "name": "myMathActivity", | |
| "math": "(((temp - 32) * 5.0) / 9.0) + 273.15", | |
| "attribute": "tempK", | |
| "next": "myDatastoreActivity" | |
| } | |
| } | |
| ] | |
| } | |
| This command produces no output. | |
| For more information, see `UpdatePipeline <https://docs.aws.amazon.com/iotanalytics/latest/APIReference/API_UpdatePipeline.html>`__ in the *AWS IoT Analytics API Reference*. | |