# Bulk actions

Bulk action modules can perform an action on multiple records in a single call.

To use bulk action modules, the user needs to create an array of records and map the array into the bulk module.

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* In the bulk module UI, the mapping should always be turned ON by default.
* Types of output:
  * If the response returns a single success / fail, the module should be an action module.
  * If the response returns an output bundle of success / fail for an individual record, the module should be a search module.
* If possible, bulk modules should output the updated range/rows.

For more information for labeling and describing bulk action modules, see the best practices guide to [module labels](https://developers.make.com/custom-apps-documentation/best-practices/naming-conventions/modules/module-labels) and [module descriptions](https://developers.make.com/custom-apps-documentation/best-practices/naming-conventions/modules/module-descriptions).