code: def setActionManifestPath(self, pchActionManifestPath):
          
  
          fn = self.function_table.setActionManifestPath
          result = fn(pchActionManifestPath)
          return result
docs: Sets the path to the action manifest JSON file that is used by this application. If this information
          was set on the Steam partner site, calls to this function are ignored. If the Steam partner site
          setting and the path provided by this call are different, VRInputError_MismatchedActionManifest is returned. 
          This call must be made before the first call to UpdateActionState or IVRSystem::PollNextEvent.