# LLM Summarizer Fetch and summarize text (requires llm capability) ```ajs:inline function summarize({ source = 'coffee-origins' }) { // Fetch text from our sample documents // Options: 'coffee-origins', 'ai-history', 'renewable-energy' let url = '/texts/' + source + '.txt' let text = httpFetch({ url }) let prompt = 'Summarize the following text in 2-3 sentences:\n\n' + text let summary = llmPredict({ prompt }) return { source, summary } } ```