public CreateDomainNameResult withApiMappingSelectionExpression(String apiMappingSelectionExpression) {
        setApiMappingSelectionExpression(apiMappingSelectionExpression);
        return this;
    }
<p>
The API mapping selection expression.
</p>

@param apiMappingSelectionExpression
       The API mapping selection expression.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-apigatewayv2/src/main/java/com/amazonaws/services/apigatewayv2/model/CreateDomainNameResult.java