name : update-extension-association.rst **To update an AWS AppConfig extension association** The following ``update-extension-association`` example adds a new parameter value to an extension association in AWS AppConfig. :: aws appconfig update-extension-association \ --region us-west-2 \ --extension-association-id a1b2c3d4 \ --parameters S3bucket=FinanceMobileApp Output:: { "Id": "a1b2c3d4", "ExtensionArn": "arn:aws:appconfig:us-west-2:123456789012:extension/S3-backup-extension/1", "ResourceArn": "arn:aws:appconfig:us-west-2:123456789012:application/Finance", "Parameters": { "S3bucket": "FinanceMobileApp" }, "ExtensionVersionNumber": 1 } For more information, see `Working with AWS AppConfig extensions <https://docs.aws.amazon.com/appconfig/latest/userguide/working-with-appconfig-extensions.html>`__ in the *AWS AppConfig User Guide*.