> ## Documentation Index
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> Use this file to discover all available pages before exploring further.

# CAPLfunctionIso11783AppNmtIndication

[Open topic with navigation](../../../../../../CANoeDEFamily.htm#Topics/CAPLFunctions/ISO11783/ISONodeLayer/Functions/CAPLfunctionIso11783AppNmtIndication.md)

**CAPL Functions** » **ISO11783** » **ISO11783 Node Layer** » Iso11783AppNmtIndication

# Iso11783AppNmtIndication (Callback)

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

## Function Syntax

```plaintext theme={null}
dword Iso11783AppNmtIndication( long busHandle, long address, long flag );
```

## Description

This function is called when an ECU claims an address or an ECU loses its address. The function is also called if no ECU was created yet.

With [Iso11783GetRxData()](CAPLfunctionIso11783GetRxData.md) the device name can be copied to a buffer.

## Parameters

* **busHandle**: Bus handle
* **address**: Address of the ECU or Null-Address
* **flag**: Reason for calling this function:
  * 1: an ECU starts claiming, Address Claim PG received
  * 2: successfully claimed, 250 ms after Address Claim PG
  * 3: Cannot Claim Address received

## Return Values

—

## Example

```plaintext theme={null}
dword Iso11783AppNmtIndication( LONG busHandle, LONG address, LONG flag )
{
  char deviceName[8];
  Iso11783GetRxData( elCount(deviceName), deviceName );
  /* user code */
  return 0;
}
```