public RegistrationTypeDisplayHints withDocumentationLink(String documentationLink) {
        setDocumentationLink(documentationLink);
        return this;
    }
<p>
The link to the document the display hint is associated with.
</p>

@param documentationLink
       The link to the document the display hint is associated with.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-pinpointsmsvoicev2/src/main/java/com/amazonaws/services/pinpointsmsvoicev2/model/RegistrationTypeDisplayHints.java