public ValidationException withReason(String reason) {
        setReason(reason);
        return this;
    }
<p>
The reason the request failed validation.
</p>

@param reason
       The reason the request failed validation.
@return Returns a reference to this object so that method calls can be chained together.
@see ValidationExceptionReason
aws-java-sdk-auditmanager/src/main/java/com/amazonaws/services/auditmanager/model/ValidationException.java