structValue, which should be
released with [secret.value.Value.unref], or null if no secret found
secret.value.Value lookupSync(secret.schema.Schema schema, string[string] attributes, gio.cancellable.Cancellable cancellable = null)Lookup a secret value in the secret service.
The attributes should be a set of key and value string pairs.
If service is null, then [secret.service.Service.getSync] will be called to get the default classService proxy.
This method may block indefinitely and should not be used in user interface threads.
schema | the schema for the attributes |
attributes | the attribute keys and values |
cancellable | optional cancellation object |
structValue, which should be
released with [secret.value.Value.unref], or null if no secret found