a secret collection to create this item in
the schema for the attributes
attributes for the new item
label for the new item
secret value for the new item
flags for the creation of the new item
optional cancellation object
called when the operation completes
data to pass to the callback
Create a new item in the secret service.
If the @flags contains %SECRET_ITEM_CREATE_REPLACE, then the secret service will search for an item matching the @attributes, and update that item instead of creating a new one.
This method may block indefinitely and should not be used in user interface threads. The secret service may prompt the user. secret_service_prompt() will be used to handle any prompts that are required.