code: def get_rendezvous_handler(
      params: RendezvousParameters,
  ) -> RendezvousHandler:
      """
      Obtain a reference to a :py:class`RendezvousHandler`.
  
      Custom rendezvous handlers can be registered by
  
      ::
  
        from torch.distributed.elastic.rendezvous import rendezvous_handler_registry
        from torch.distributed.elastic.rendezvous.registry import get_rendezvous_handler
  
        def create_my_rdzv(params: RendezvousParameters):
          return MyCustomRdzv(params)
  
        rendezvous_handler_registry.register("my_rdzv_backend_name", create_my_rdzv)
  
        my_rdzv_handler = get_rendezvous_handler("my_rdzv_backend_name", RendezvousParameters)
      """
      return handler_registry.create_handler(params)
  
file_path: pytorch/torch/distributed/elastic/rendezvous/registry.py
imports: from .api import RendezvousHandler, RendezvousParameters
  from .api import rendezvous_handler_registry
  from .dynamic_rendezvous import create_handler
label_desc: Use image node_id 6 for calling a global function with example usage: get_rendezvous_handler(params) and returns: handler_registry