## Javascript example: Lookup a password

Here's how to lookup a password in the running secret service, like gnome-keyring or ksecretservice.

Each stored password has a set of attributes which are used to lookup the password. If multiple passwords match the lookup attributes, then the one stored most recently is returned.

These examples use the example schema.

This first example looks up a password asynchronously, and is appropriate for GUI applications so that the UI does not block.

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    const Secret = imports.gi.Secret;

    function on_password_lookup(source, result) {
    	var password = Secret.password_lookup_finish(result);
    	/* password will be null if no matching password found */
    }

    /* The attributes used to lookup the password should conform to the schema. */
    Secret.password_lookup(EXAMPLE_SCHEMA, { "number": "8", "even": "true" },
                           null, on_password_lookup);

This next example looks up a password synchronously. The function call will block until the lookup completes. So this is appropriate for non GUI applications.

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    const Secret = imports.gi.Secret;

    /* The attributes used to lookup the password should conform to the schema. */
    var password = Secret.password_lookup_sync(EXAMPLE_SCHEMA,
                                               { "number": "8", "even": "true" },
                                               null);

    /* password will be null, if no matching password found */