Named Arguments

examples/10-named-args.halo

How to use named arguments in agent/tool calls WHY: Named args make calls more readable and flexible

halo

// ============================================================
// STEP 10: Named Arguments
// ============================================================
// LEARN: How to use named arguments in agent/tool calls
// WHY:   Named args make calls more readable and flexible
// ============================================================

agent Translator [openai/gpt-4o-mini, temp: 0.3]

// Using named args: key: value syntax
pipeline GreetPerson(name: String, lang: String) -> Result:
  name
    // Positional arg: first arg is the prompt template
    // Named args: language to translate to
    |> Translator.prompt(
        "Write a warm greeting for {{name}}.",
        target_lang: lang,
        tone: "warm"
      )
    |> System.Print()

// Named args preserve order independence
pipeline Summarize(text: String) -> Result:
  text
    |> Translator.prompt(
        max_tokens: 100,
        tone: "concise",
        "Summarize this text in one sentence: {{text}}"
      )
    |> System.Print()

Named Arguments ​

Named Arguments