Grammar • Examples

.aether Language

Syntax reference, types, chains, and error handling.

Basics

A .aether document is a YAML-like manifest that declares chains of steps. Minimal header:

# hello.aether
name: hello-world
version: 0.1.0
description: Simple demo chain

chains:
    - id: greet
        steps:
            - use: echo
                with:
                    text: "Hello, Aetherra!"

Manifest fields

Types

Variables and interpolation

steps:
    - use: fetch
        as: data
        with: { url: "https://example.com/data.json" }
    - use: transform
        with:
            input: ${data.body}

Error Reference

Try it

  1. Create a file hello.aether with the example above.
  2. Start the Hub and OS. In the widget, set your Hub URL (Ctrl‑click the title) and then use the task watcher to stream a run of hello.aether.

See also: Runtime & CLI · Recipes