---
title: callbackRequiresThisToPass
framework: webkitjs
role: symbol
role_heading: Instance Method
path: webkitjs/testcallbackinterface/2871202-callbackrequiresthistopass
---

# callbackRequiresThisToPass

## Declaration

```data
void callbackRequiresThisToPass(
    long longParam, 
    TestNode testNodeParam
);
```