Get information about a parameter by using the parameter name. Don't confuse this API action with the GetParameters API action.
ssm_get_parameter(Name, WithDecryption)
[required] The name of the parameter you want to query.
Return decrypted values for secure string parameters. This flag is ignored for String and StringList parameter types.
svc$get_parameter( Name = "string", WithDecryption = TRUE|FALSE )