• Table of Contents:

When you need to write more complex conditions or expressions than is possible with just the COGS UI tools, you can use “Computed Conditions” or “Computed Values”.

<aside>

COGS 5.7 and above

As of COGS 5.7, Computed Values are written in ECMAScript 2023 (a.k.a. JavaScript).

</aside>

<aside>

COGS 5.6 and below

COGS 5.6 and below uses JEXL, a JavaScript-like expression language. For JEXL documentation click here.

</aside>

<aside>

Migration

If you’re migrating an existing project from COGS 5.6 or below see Migrating from JEXL.

</aside>

Getting started

Anywhere it’s possible to use Computed Values or Computed Conditions, when you switch away from the UI template, the code input box will be populated with the code that is being used under the hood when using the UI tools. This is a good way to get started in understanding how to write Computed Values and Computed Conditions.

For example:

            becomes

Examples

Computed Conditions vs Computed Values

There are two main places Computed Conditions and Computed Values can be used and they have slightly different uses:

Computed Conditions