public ActivateContactChannelRequest withActivationCode(String activationCode) {
        setActivationCode(activationCode);
        return this;
    }
<p>
The code sent to the contact channel when it was created in the contact.
</p>

@param activationCode
       The code sent to the contact channel when it was created in the contact.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ssmcontacts/src/main/java/com/amazonaws/services/ssmcontacts/model/ActivateContactChannelRequest.java