# null

# ILNodeControlSimulationOn

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

## Note

* This function is not available for all OEM add-ons — depends on the CANoeIL.
* This function can be used in a global node outside the node context of the IL and in test modules.

## Function Syntax

`long ILNodeControlSimulationOn(char aNodeName[])`

## Description

Start the simulation of the interaction layer of the specified simulation node. The IL is in the same state as it was before stopping. The specified node must be in the current bus context. In all other cases the function has no effect and will return with an error.

## Parameters

* **aNodeName**: Name of the node of which the interaction layer should be turned on.

## Return Values

* **0**: No error
* **-10000**: Unspecific error
* **-10001**: Node or module not found
* **-10002**: No suitable module available
* **-10003**: Function is not supported by module
* **-10004**: Module returns illegal value
* **other**: Error in module

## Example

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