# Callbacks

Called by initialize method. Use this to observe if SDK was correctly initialized:

```swift
func initializeCallback(status: Bool, error: Errors?) -> ()
```

Called by internal method. Use this to observe if was correctly created a process:

```swift
func processCreatedCallback(processId: String?) -> ()
```

Called by internal method. Use this to observe if a process is finished:

```swift
func processFinishedCallback() -> ()
```

Use this to observe when the SDK start

```swift
func interfaceStartedCallback() -> ()
```

Use this to observe if SDK is closed

```swift
func interfaceClosedCallback() -> ()
```
