public void setPinValidationData(String pinValidationData) {
        this.pinValidationData = pinValidationData;
    }
<p>
The unique data for cardholder identification.
</p>

@param pinValidationData
       The unique data for cardholder identification.
aws-java-sdk-paymentcryptographydata/src/main/java/com/amazonaws/services/paymentcryptographydata/model/Ibm3624RandomPin.java