# null

# AREthGetLength

**Valid for**: CANoe DE • CANoe4SW DE

## Function Syntax

```plaintext
dword AREthGetLength ( dword messageHandle );
```

## Description

This function returns the length in bytes that is in the SOME/IP message header.

## Parameters

* **messageHandle**: Handle of the SOME/IP message (e.g. see [OnAREthMessage](CAPLfunctionOnAREthMessage.md))

## Return Values

* **Length of the SOME/IP message** (without Message ID and length field)
* In the event of an error, the function returns the value 0. The [AREthGetLastError](CAPLfunctionAREthGetLastError.md) function can then be used to check whether the value is valid or an error has occurred.

## Example

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[See Also](javascript:void\(0\);)
