---
title: "Preconditions"
canonical: "https://support.appfire.com/space/JSUCLOUD/12518040/Preconditions"
format: markdown
---
> Macro (aura-html)

If you are using preconditions with a JSU post function, they can be evaluated in the following ways:

- True (Precondition must be true to execute a post function)
- False (Precondition must be false to execute a post function)

![Setting options for JSU preconditions.](media://a27e003b-e718-4488-b22a-5d433f6b10c8)

The precondition setting is available on our post function configuration pages, and it is set to **True** by default. You can learn more about our preconditions in [Workflow Preconditions](https://appfire.atlassian.net/wiki/spaces/JSUCLOUD/pages/12518025). See the Preconditions for Post Functions [uses cases](https://appfire.atlassian.net/wiki/spaces/JSUCLOUD/pages/12518052) for examples.