> ## 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.

# CAPLfunctionIso11783OPOnSelectInput

[Open topic with navigation](../../../../../../CANoeDEFamily.htm#Topics/CAPLFunctions/ISO11783/ISONodeLayer/Functions/CAPLfunctionIso11783OPOnSelectInput.md)

[CAPL Functions](../../../CAPLfunctions.md) » [ISO11783](../../CAPLfunctionsISO11783Overview.md) » [ISO11783 Node Layer](../CAPLfunctionsISONLOverview.md) » Iso11783OPOnSelectInput

# Iso11783OPOnSelectInput (Callback)

[Valid for](../../../../Shared/FeatureAvailability.md):  CANoe DE • CANoe4SW DE

## Function Syntax

```c theme={null}
void Iso11783OPOnSelectInput( dword ecuHandle, dword objectID, dword what );
```

## Description

The function is called by the node layer, if an input object is selected.

## Parameters

* **ecuHandle**: Handle of the ECU
* **objectID**: Object ID of the selected input object
* **what**:
  * 0: input object is not selected
  * 1: input object is selected
  * 2: input object is opened

## Return Values

—

## Example

```c theme={null}
void Iso11783OPOnSelectInput( dword handle, dword objectID, dword what )
{
}
```