code: def foo(self, docs, **kwargs):
      for doc in docs:
          doc.tags["replica"] = self.uid  # identify replicas via uid
  
          doc.tags["shard_id"] = self.shard_id
          doc.tags["shards"] = self.shards
  
imports: import uuid
  from jina import Executor, requests
label_desc: Use image node_id 2 for calling the ReplicatedExec obj's underlying member method code with example usage: obj.foo(docs) without return types