docassemble/docassemble_base/docassemble/base/data/questions/examples/background_action.yml at master · jhpyle/docassemble · GitHub

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metadata:
  title: Return a value
  example start: 1
  example end: 6
  documentation: "https://docassemble.org/docs/background.html#background_action"
---
mandatory: True
code: |
  the_task
  if the_task.ready():
    final_screen
  else:
    waiting_screen
---
code: |
  the_task = background_action('bg_task', additional=value_to_add)
---
question: |
  How much shall I add to 553?
fields:
  - Number: value_to_add
    datatype: integer
---
event: bg_task
code: |
  # This is where time-consuming code
  # would go.
  background_response(553 + action_argument('additional'))
---
event: waiting_screen
question: |
  Hang tight.
  Still waiting for an answer.
subquestion: |
  This screen will reload every
  ten seconds until the answer
  is available.
reload: True
---
event: final_screen
question: |
  The answer is ${ the_task.get() }.