**To update a dashboard** The following ``update-dashboard`` example changes the title of a dashboard's line chart that displays total generated power for a wind farm. :: aws iotsitewise update-dashboard \ --project-id a1b2c3d4-5678-90ab-cdef-fffffEXAMPLE \ --dashboard-name "Wind Farm" \ --dashboard-definition file://update-wind-farm-dashboard.json Contents of ``update-wind-farm-dashboard.json``:: { "widgets": [ { "type": "monitor-line-chart", "title": "Total Generated Power", "x": 0, "y": 0, "height": 3, "width": 3, "metrics": [ { "label": "Power", "type": "iotsitewise", "assetId": "a1b2c3d4-5678-90ab-cdef-44444EXAMPLE", "propertyId": "a1b2c3d4-5678-90ab-cdef-99999EXAMPLE" } ] } ] } This command produces no output. For more information, see `Creating dashboards (CLI) <https://docs.aws.amazon.com/iot-sitewise/latest/userguide/create-dashboards-using-aws-cli.html>`__ in the *AWS IoT SiteWise User Guide*.