public String getPinBlockFormat() {
        return this.pinBlockFormat;
    }
<p>
The PIN encoding format for pin data generation as specified in ISO 9564. Amazon Web Services Payment
Cryptography supports <code>ISO_Format_0</code> and <code>ISO_Format_3</code>.
</p>
<p>
The <code>ISO_Format_0</code> PIN block format is equivalent to the ANSI X9.8, VISA-1, and ECI-1 PIN block
formats. It is similar to a VISA-4 PIN block format. It supports a PIN from 4 to 12 digits in length.
</p>
<p>
The <code>ISO_Format_3</code> PIN block format is the same as <code>ISO_Format_0</code> except that the fill
digits are random values from 10 to 15.
</p>

@return The PIN encoding format for pin data generation as specified in ISO 9564. Amazon Web Services Payment
        Cryptography supports <code>ISO_Format_0</code> and <code>ISO_Format_3</code>.</p>
        <p>
        The <code>ISO_Format_0</code> PIN block format is equivalent to the ANSI X9.8, VISA-1, and ECI-1 PIN
        block formats. It is similar to a VISA-4 PIN block format. It supports a PIN from 4 to 12 digits in
        length.
        </p>
        <p>
        The <code>ISO_Format_3</code> PIN block format is the same as <code>ISO_Format_0</code> except that the
        fill digits are random values from 10 to 15.
@see PinBlockFormatForPinData
aws-java-sdk-paymentcryptographydata/src/main/java/com/amazonaws/services/paymentcryptographydata/model/GeneratePinDataRequest.java