> ## Documentation Index
> Fetch the complete documentation index at: https://notevil.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# CAPLfunctionDiagGetParameterCoded

# diagGetParameterCoded, diagSetParameterCoded

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

## Function Syntax

```c theme={null}
long diagGetParameterCoded(diagResponse obj, char parameterName[], byte* buffer, dword bufferSize);
long diagGetParameterCoded(diagRequest obj, char parameterName[], byte* buffer, dword bufferSize);
long diagSetParameterCoded(diagResponse obj, char parameterName[], byte* buffer, dword bufferSize);
long diagSetParameterCoded(diagRequest obj, char parameterName[], byte* buffer, dword bufferSize);
```

## Description

Sets or specifies the value of a parameter directly via coded data bytes.

## Parameters

* **obj**: Diagnostics object
* **parameterName**: Parameter qualifier (NOT the language-dependent name of the parameter!)
* **buffer**: Input buffer
* **bufferSize**: Buffer size

## Return Values

0 if bytes were copied, otherwise `< 0` for an [error code](../CAPLfunctionsDiagnosticsErrorCode.md).

## Example

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