Modifies an existing subnet group. subnet groups must contain at least one subnet in at least two Availability Zones in the AWS Region.
docdb_modify_db_subnet_group(DBSubnetGroupName,
  DBSubnetGroupDescription, SubnetIds)A list with the following syntax:
list(
  DBSubnetGroup = list(
    DBSubnetGroupName = "string",
    DBSubnetGroupDescription = "string",
    VpcId = "string",
    SubnetGroupStatus = "string",
    Subnets = list(
      list(
        SubnetIdentifier = "string",
        SubnetAvailabilityZone = list(
          Name = "string"
        ),
        SubnetStatus = "string"
      )
    ),
    DBSubnetGroupArn = "string"
  )
)
[required] The name for the subnet group. This value is stored as a lowercase string. You can't modify the default subnet group.
Constraints: Must match the name of an existing DBSubnetGroup. Must
not be default.
Example: mySubnetgroup
The description for the subnet group.
[required] The Amazon EC2 subnet IDs for the subnet group.
svc$modify_db_subnet_group(
  DBSubnetGroupName = "string",
  DBSubnetGroupDescription = "string",
  SubnetIds = list(
    "string"
  )
)