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##

# 2.8.61 CANx_MessageAcceptanceMaskGet Function

## C

    uint32_t CANx_MessageAcceptanceMaskGet(CAN_MAILBOX_NUM mailbox) // x - Instance of the CAN peripheral

## Summary

Get Message acceptance identifier mask from mailbox.

## Precondition

CANx_Initialize must have been called for the associated CAN instance.

## Parameters

Param | Description
--- | ---
mailbox | Mailbox number

## Returns

Returns Message acceptance identifier mask.

## Example

    uint32_t id;
    id = CAN0_MessageAcceptanceMaskGet(CAN_MAILBOX_0);

## Remarks

None.