Script Tasks

run:workflow

Execute a child workflow by name. Input is passed through, output returned.

- name: run-sub
  type: run:workflow
  config:
    namespace: a3t
    name: a3t-templates-list
    input:
      org_id: "${ .org_id }"
  export.as: "."

run:shell

Execute a shell command.

- name: check-disk
  type: run:shell
  config:
    command: "df -h / | tail -1"
    timeout: 10

run:script

Execute a script file in Lua, JS, or Python.

- name: process
  type: run:script
  config:
    language: lua
    source: /scripts/process.lua
    arguments: ["${ .input_file }"]

inline:lua

Embedded Lua script (~20us overhead). Access workflow state via state global.

- name: compute
  type: inline:lua
  config:
    code: |
      local a = state.input.a or 0
      local b = state.input.b or 0
      return { sum = a + b, product = a * b }
  export.as: "."

inline:js

Embedded JavaScript (~100us overhead). Access input via input global.

- name: transform
  type: inline:js
  config:
    code: |
      const items = input.items || [];
      return {
        count: items.length,
        total: items.reduce((s, i) => s + i.value, 0)
      };
  export.as: "."