public String getHandshakeId() {
        return this.handshakeId;
    }
<p>
The unique identifier (ID) of the handshake that you want to decline. You can get the ID from the
<a>ListHandshakesForAccount</a> operation.
</p>
<p>
The <a href="http://wikipedia.org/wiki/regex">regex pattern</a> for handshake ID string requires "h-" followed by
from 8 to 32 lowercase letters or digits.
</p>

@return The unique identifier (ID) of the handshake that you want to decline. You can get the ID from the
        <a>ListHandshakesForAccount</a> operation.</p>
        <p>
        The <a href="http://wikipedia.org/wiki/regex">regex pattern</a> for handshake ID string requires "h-"
        followed by from 8 to 32 lowercase letters or digits.
aws-java-sdk-organizations/src/main/java/com/amazonaws/services/organizations/model/DeclineHandshakeRequest.java