add_documents

add_documents(
    documents: List[Document],
    ids: Optional[List[str]] = None,
    **kwargs
) -> List[str]

from langchain_core.documents import Document

# Create documents with metadata
documents = [
    Document(
        page_content="Introduction to machine learning",
        metadata={"chapter": 1, "topic": "ML basics"}
    ),
    Document(
        page_content="Deep learning fundamentals",
        metadata={"chapter": 2, "topic": "Neural networks"}
    )
]

# Add documents to the store
ids = store.add_documents(documents)
print(f"Added {len(ids)} documents")