**To describe a gateway** The following ``describe-gateway`` example describes a gateway. :: aws iotsitewise describe-gateway \ --gateway-id a1b2c3d4-5678-90ab-cdef-1a1a1EXAMPLE Output:: { "gatewayId": "a1b2c3d4-5678-90ab-cdef-1a1a1EXAMPLE", "gatewayName": "ExampleCorpGateway", "gatewayArn": "arn:aws:iotsitewise:us-west-2:123456789012:gateway/a1b2c3d4-5678-90ab-cdef-1a1a1EXAMPLE", "gatewayPlatform": { "greengrass": { "groupArn": "arn:aws:greengrass:us-west-2:123456789012:/greengrass/groups/a1b2c3d4-5678-90ab-cdef-1b1b1EXAMPLE" } }, "gatewayCapabilitySummaries": [ { "capabilityNamespace": "iotsitewise:opcuacollector:1", "capabilitySyncStatus": "IN_SYNC" } ], "creationDate": 1588369971.457, "lastUpdateDate": 1588369971.457 } For more information, see `Ingesting data using a gateway <https://docs.aws.amazon.com/iot-sitewise/latest/userguide/gateways.html>`__ in the *AWS IoT SiteWise User Guide*.