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title: enqueueAction()
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---

# enqueueAction()

Queue a call to an Apex action. The framework queues up actions before sending them to the server. This mechanism is largely transparent to you when you’re writing code but it enables the framework to minimize network traffic by batching multiple actions into one request (XHR).

The batching of actions is also known as _boxcar’ing_, similar to a train that couples boxcars together.

The framework uses a stack to keep track of the actions to send to the server. When the browser finishes processing events and JavaScript on the client, the enqueued actions on the stack are sent to the server in a batch.

## Signature

`enqueueAction (Action action, Boolean background)`

## Parameters

**_action_:** Type: `Action`. The action to enqueue.

**_background_:** Type: `Boolean`. Deprecated. Do not use.

**See Also**  


-   [Queuing of Server-Side Actions](https://developer.salesforce.com/docs/platform/aura-platform/controllers-server/controllers-server-actions-queue.md)
-   [Calling a Server-Side Action](https://developer.salesforce.com/docs/platform/aura-platform/controllers-server/controllers-server-actions-call.md)