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# CAPLfunctionTestWaitForDiagChangedActiveVariant

# testWaitForDiagChangedActiveVariant

**Valid for**: CANoe DE • CANoe4SW DE

## Function Syntax

* `long testWaitForDiagChangedActiveVariant(char variantQualifier[]); // form 1`
* `long testWaitForDiagChangedActiveVariant(char ecuQualifier[], char variantQualifier[]); // form 2`

## Description

Changes the active variant for the current target.

## Parameters

* **variantQualifier**: The variant to be used.
* **ecuQualifier**: Qualifier of the ECU or target as set in the diagnostic configuration dialog for the respective diagnostic description.

## Return Values

* **≤ 0**: An error occurred, e.g. a wrong variant qualifier was used.
* **1**: The variant was successfully changed.

## Example

—

[Automatic Variant Identification](../../../CANoeCANalyzer/Diagnostics/Test/DiagnosticsAutomaticVariantIdentification.md) • [Diagnostic CAPL Functions: Variant Identification](../../Diagnostics/CAPLfunctionsDiagnosticsOverview.md#FunctionsVariantIdentification)