Custom IML functions

IML functions is a powerful feature that allows you to write your own JavaScript functions and execute them inside IML expressions to process data.

Before getting started with custom IML functions, learn more about the the Integromat Markup Language (IML).

Custom IML functions are not available by default. Contact us via our helpdesk if you need to create a custom IML function.

All built-in IML functions and your custom IML functions are available for you to use inside your own custom functions. You can access them in the iml namespace like this: iml.parseDate().

A list of built-in IML functions is available here.

Only JavaScript built-in objects and Buffer are available for you to use. You can use all features of ES 6, like arrow functions, destructuring, etc…

Limits

Name	Total limit of ...	Value
Max Execution Timeout	... seconds	10
Max Number	... characters	5000

Examples

• Dynamic mappable parameters

• Handling of full update approach in update modules

• Removal of empty collections and nulls

Test your custom IML functions

Learn more about debugging custom IML functions in the Make DevTool.