code: def add(self, payload: List[FeaturePayload]):
      ids = [str(row.id) for row in payload]
      embeddings = [
          row.embedding.reshape(-1).tolist() for row in payload
      ]
      self._client.get_collection(self._collection_name).add(
          ids=ids,
          embeddings=embeddings,
      )
  
file_path: evadb/evadb/third_party/vector_stores/chromadb.py
imports: from typing import List
  from evadb.third_party.vector_stores.types import FeaturePayload, VectorIndexQuery, VectorIndexQueryResult, VectorStore
  from evadb.utils.generic_utils import try_to_import_chromadb_client
label_desc: Use image node_id 3 for calling the ChromaDBVectorStore obj's underlying member method code with example usage: obj.add(payload) without return types