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[CAPL Functions](../../CAPLfunctions.md) » [K-Line](../CAPLfunctionsKLineOverview.md) » KLine\_SetP4Tester

# KLine\_SetP4Tester

[Valid for](../../../Shared/FeatureAvailability.md):  CANoe DE

## Function Syntax

```
long KLine_SetP4Tester(dword P4_us)
```

## Description

Sets the interbyte time of a request.

## Parameters

* **P4\_us**: P4 in us\
  Value range: 0 – 650000.

## Return Values

On success 0, otherwise a value less than 0.

## Example

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[KLine\_SetP3Tester](CAPLfunctionKLineSetP3Tester.md)
