<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def createOverlay(self, pchOverlayKey, pchOverlayName):
 """Creates a new named overlay. All overlays start hidden and with default settings."""


        fn = self.function_table.createOverlay
        pOverlayHandle = VROverlayHandle_t()
        result = fn(pchOverlayKey, pchOverlayName, byref(pOverlayHandle))
        return result, pOverlayHandle