name : modify-ipam-resource-discovery.rst **To modify the operating regions of a resource discovery** In this example, you're an IPAM delegated admin who wants to modify the operating regions of a resource discovery. To complete this request: * You cannot modify a default resource discovery and you must be the owner of the resource discovery. * You need the resource discovery ID, which you can get with `describe-ipam-resource-discoveries <https://docs.aws.amazon.com/cli/latest/reference/ec2/describe-ipam-resource-discoveries.html>`__. The following ``modify-ipam-resource-discovery`` example modifies a non-default resource discovery in your AWS account. :: aws ec2 modify-ipam-resource-discovery \ --ipam-resource-discovery-id ipam-res-disco-0f4ef577a9f37a162 \ --add-operating-regions RegionName='us-west-1' \ --remove-operating-regions RegionName='us-east-2' \ --region us-east-1 Output:: { "IpamResourceDiscovery": { "OwnerId": "149977607591", "IpamResourceDiscoveryId": "ipam-res-disco-0365d2977fc1672fe", "IpamResourceDiscoveryArn": "arn:aws:ec2::149977607591:ipam-resource-discovery/ipam-res-disco-0365d2977fc1672fe", "IpamResourceDiscoveryRegion": "us-east-1", "Description": "Example", "OperatingRegions": [ { "RegionName": "us-east-1" }, { "RegionName": "us-west-1" } ], "IsDefault": false, "State": "modify-in-progress" } } For more information, see `Work with resource discoveries <https://docs.aws.amazon.com/vpc/latest/ipam/res-disc-work-with.html>`__ in the *Amazon VPC IPAM User Guide*.