code: def run(self, payload):
      print("SERVER: Using embeddings from processor", payload)
      embeddings = payload.value
      print(
          "serving embeddings sent from EmbeddingProcessor: ",
          embeddings,
      )
  
file_path: pytorch-lightning/docs/source-app/levels/intermediate/scripts/toy_payload.py
imports: from lightning.app import LightningWork, LightningFlow, LightningApp
label_desc: Use image node_id 1 for calling the EmbeddingServer obj's underlying member method code with example usage: obj.run(payload) without return types