DESCRIBE: How to register this component in the user's chosen registry (if the component has a self-registration function, describe how to find it and use it).
DESCRIBE: How to adjust the registration data if the user is using a proxy server to expose this application (rather than the application's own address).
DESCRIBE: How to check that the registration was successful (e.g. how to find the relevant entry in the registry, and what its XML should look like).