child.yml

# Simple hierarchical application
# Here we accept parameter, pass it through genesis component and return back
 
application:
  interfaces:
    input:
      in: bind(child_app#input.in)
    result:
      out: bind(child_app#result.out)
 
  configuration:
    child_in.app_input: "This passessed to child.yml's input.app_input"
 
  bindings:
    - [child_app, genesis]
 
 
  components:
    genesis:
      type: reference.Service
      interfaces:
        executor:
          execute-workflow: receive-command(object request => object status => object status) 
 
 
    child_app:
      type: workflow.Instance
      interfaces:
        input:
          in: configuration(string)
        result:
          out: publish-signal(string)
 
      configuration:
        configuration.triggers: {}
        configuration.workflows:
          launch:
            steps: []
            return:
              out:
                value: ${in}
 
          destroy:
            steps: []

parent_simple.yml

# Parent manifest for hierarchical app
# It should show line received from child
# Also show line from passed to input
# 5237179de4b0bba030e45acf

application:
  configuration:
    parent_in.child_input: "Hello from parent to child"

  interfaces:
    parent_in:
      child_input: bind(child#input.in)
    parent_out:
      raw_child_out: bind(child#result.out)

#  bindings:
#    - [parent.app, child]


  components:
    child:
      type: reference.Submodule
      configuration:
        # Put here appid of child.yml
        __locator.application-id: "5237179de4b0bba030e45acf"

      interfaces:
        input:
          in: configuration(string)
        result:
          out: publish-signal(string)