| Name | Description | Type | Use |
|---|---|---|---|
| callback | Registered to verify if the TouchId functionality is available and the passcode is set. | undefined |
required |
The checkAvailability method's callback object can be structured
as follows:
1 2 3 | { onSuccess: function(success) { ... }} |
| Name | Description | Return type |
|---|---|---|
| onSuccess | This method is called when the TouchId's availability is successfully verified. Its parameter is a boolean value, which is "true" if TouchId is available and the password is set. | undefined |