---
title: "Comment by Mhmd Khalil on \"Summarizing Documents Made Easy With Langchain Summarizer\" | Hashnode"
description: "hi, this is an amazing blog Thanks!. However i have a question, i'm not able to pass the prompt variable into load_summarize_chain. it says "extra fiel"
url: "https://hashnode.com/posts/summarizing-documents-made-easy-with-langchain-summarizer/64685c6e175bc7031a935c40/comment/646ce5309098493346f6e9ca"
---

[Discussion](https://hashnode.com/posts/summarizing-documents-made-easy-with-langchain-summarizer/64685c6e175bc7031a935c40)

Comment [Summarizing Documents Made Easy With Langchain Summarizer](https://hashnode.com/posts/summarizing-documents-made-easy-with-langchain-summarizer/64685c6e175bc7031a935c40)

[Mhmd Khalil](https://hashnode.com/@moakh98)

[May 23, 2023](https://hashnode.com/posts/summarizing-documents-made-easy-with-langchain-summarizer/64685c6e175bc7031a935c40/comment/646ce5309098493346f6e9ca)

hi, this is an amazing blog Thanks!. However i have a question, i'm not able to pass the prompt variable into load\_summarize\_chain. it says "extra fields not permitted (type=value\_error.extra)"