$ aws ssm get-parameter --name /system/something_passphrase --region us-east-1 --with-decryption --query "Parameter.Value" --output text
> (Get-SSMParameterValue -Name /system/something_passphrase -WithDecryption 1).Parameters.Value
$ aws ssm get-parameter --name /system/something_passphrase --region us-east-1 --with-decryption --query "Parameter.Value" --output text
> (Get-SSMParameterValue -Name /system/something_passphrase -WithDecryption 1).Parameters.Value