Deprecated: Due to the possibility of ambiguity,
accounts with both an AdSense publisher account and an AdExchange account will throw an
error when trying to use the default account. Always use
check if there's more than one account and let the user choose in that case. After that,
specify the account ID on every call using the
For a list of methods for this resource, see the end of this page.
- List all custom channels which the specified ad unit belongs to.