Associates the user to an EC2 instance to utilize user-based subscriptions.
See https://paws-r.github.io/docs/licensemanagerusersubscriptions/associate_user.html for full documentation.
licensemanagerusersubscriptions_associate_user(
Domain = NULL,
IdentityProvider,
InstanceId,
Username
)The domain name of the user.
[required] The identity provider of the user.
[required] The ID of the EC2 instance, which provides user-based subscriptions.
[required] The user name from the identity provider for the user.