---
version: '2.0'

name: wb

actions:
  ac1:
    input:
      - str1
      - str2
    base: std.echo output="<% $.str1 %><% $.str2 %>"

workflows:
  wf1:
    type: direct

    tasks:
      hello:
        action: std.echo output="Hello"
        publish:
          result: <% task(hello).result %>