**To create an Amazon DocumentDB subnet group** The following ``create-db-subnet-group`` example creates an Amazon DocumentDB subnet group named ``sample-subnet-group``. :: aws docdb create-db-subnet-group \ --db-subnet-group-description "a sample subnet group" \ --db-subnet-group-name sample-subnet-group \ --subnet-ids "subnet-29ab1025" "subnet-991cb8d0" "subnet-53ab3636" Output:: { "DBSubnetGroup": { "SubnetGroupStatus": "Complete", "DBSubnetGroupName": "sample-subnet-group", "DBSubnetGroupDescription": "a sample subnet group", "VpcId": "vpc-91280df6", "DBSubnetGroupArn": "arn:aws:rds:us-west-2:123456789012:subgrp:sample-subnet-group", "Subnets": [ { "SubnetStatus": "Active", "SubnetIdentifier": "subnet-53ab3636", "SubnetAvailabilityZone": { "Name": "us-west-2d" } }, { "SubnetStatus": "Active", "SubnetIdentifier": "subnet-991cb8d0", "SubnetAvailabilityZone": { "Name": "us-west-2b" } }, { "SubnetStatus": "Active", "SubnetIdentifier": "subnet-29ab1025", "SubnetAvailabilityZone": { "Name": "us-west-2c" } } ] } } For more information, see `Creating an Amazon DocumentDB Subnet Group <https://docs.aws.amazon.com/documentdb/latest/developerguide/document-db-subnet-groups.html#document-db-subnet-group-create>`__ in the *Amazon DocumentDB Developer Guide*.