**To reject an attachment** The following ``reject-attachment`` example rejects a VPC attachment request. :: aws networkmanager reject-attachment \ --attachment-id attachment-03b7ea450134787da Output:: { "Attachment": { "CoreNetworkId": "core-network-0522de1b226a5d7b3", "AttachmentId": "attachment-03b7ea450134787da", "OwnerAccountId": "987654321012", "AttachmentType": "VPC", "State": "AVAILABLE", "EdgeLocation": "us-east-1", "ResourceArn": "arn:aws:ec2:us-east-1:987654321012:vpc/vpc-a7c4bbda", "CreatedAt": "2022-03-11T17:48:58+00:00", "UpdatedAt": "2022-03-11T17:51:25+00:00" } } For more information, see `Attachment acceptance <https://docs.aws.amazon.com/vpc/latest/cloudwan/cloudwan-attachments-working-with.html#cloudwan-attachments-acceptance>`__ in the *Cloud WAN User Guide*.