load_secrets
Description:
Load the secret values for a secret item stored in the service.
The items must all have the same [propertyItem:service] property.
This function returns immediately and completes asynchronously.
Parameters:
| items |
the items to retrieve secrets for |
| cancellable |
optional cancellation object |
| callback |
called when the operation completes |
| user_data |
data to pass to the callback |