name : update-parameter-group.rst **To update a parameter group** The following update-parameter-group`` updates a parameter group. :: aws memorydb update-parameter-group \ --parameter-group-name my-parameter-group \ --parameter-name-values "ParameterName=activedefrag, ParameterValue=no" Output:: { "ParameterGroup": { "Name": "my-parameter-group", "Family": "memorydb_redis6", "Description": "my parameter group", "ARN": "arn:aws:memorydb:us-east-1:49165xxxxxx:parametergroup/my-parameter-group" } } For more information, see `Modifying a parameter group <https://docs.aws.amazon.com/memorydb/latest/devguide/parametergroups.modifying.html>`__ in the *MemoryDB User Guide*.