Custom prompt in summarization chain

[giuice]

Hi there!
There are examples on a efficient ways to pass a custom prompt to map-reduce summarization chain?
I would like to pass the title of summarization. I believe that the summarization quality will increase when you can pass a title to your summarization.

const output = await splitter.createDocuments([t.text]);
			const chain = loadSummarizationChain(model, { type: "map_reduce" });
			const res = await chain.call({
				input_documents: output, 
			});

[giuice]

I don't know if works, but I'm doing this way with map_reduce(I believe this will work better for stuff, just to exemplify)

const output = await this.splitter.createDocuments([t.text]);
      const template = `TLDR; the following text,  The focus should be on identifying and analyzing the strategies the author uses to make their point, rather than summarizing the passage:
			Title: ${t.title}

			"{text}"


			CONCISE SUMMARY:`;
      const myPrompt = new PromptTemplate({
        template,
        inputVariables: ["text"],
      });
      const res = await loadSummarizationChain(this.model, {
        type: "map_reduce",
        combineMapPrompt: myPrompt,
      }).call({
        input_documents: output,
      });

If you are calling another summarization type change the parameters:

type SummarizationChainParams = {
    type?: "stuff";
    prompt?: BasePromptTemplate;
} | {
    type?: "map_reduce";
    combineMapPrompt?: BasePromptTemplate;
    combinePrompt?: BasePromptTemplate;
} | {
    type?: "refine";
    refinePrompt?: BasePromptTemplate;
    questionPrompt?: BasePromptTemplate;
};