def identifyApplication(self, unProcessId, pchAppKey):
        """
        Identifies a running application. OpenVR can't always tell which process started in response
        to a URL. This function allows a URL handler (or the process itself) to identify the app key 
        for the now running application. Passing a process ID of 0 identifies the calling process. 
        The application must be one that's known to the system via a call to AddApplicationManifest.
        """

        fn = self.function_table.identifyApplication
        result = fn(unProcessId, pchAppKey)
        return result
Identifies a running application. OpenVR can't always tell which process started in response
        to a URL. This function allows a URL handler (or the process itself) to identify the app key 
        for the now running application. Passing a process ID of 0 identifies the calling process. 
        The application must be one that's known to the system via a call to AddApplicationManifest.