public RegistrationTypeDisplayHints withDocumentationTitle(String documentationTitle) {
        setDocumentationTitle(documentationTitle);
        return this;
    }
<p>
The title of the document the display hint is associated with.
</p>

@param documentationTitle
       The title of 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