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# AfdxGetSignalInt64

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**CAPL Functions** » **AFDX** » **AfdxGetSignalInt64**

## Function Syntax

* `long AfdxGetSignalInt64( long packet, char* signalName ); // form 1`
* `long AfdxGetSignalInt64( long packet, long offset ); // form 2`

## Description

This function returns the value of a 64-bit integer signal.

## Parameters

* **packet**: Handle of the message.
* **offset**: The offset value points to the starting byte of the 64-bit integer value in the AFDX payload area.
* **signalName**: Name of the signal.
  * **Note:** The signal and its message need to be defined in the assigned DBC file.

## Return Values

* **Signal value**: Call [AfdxGetLastErrror()](CAPLfunctionAfdxGetLastError.md) to check for errors in the call.

## Example

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**See Also**

* [AfdxGetSignalInt64](#aanchor22551)
