public void setPayload(Boolean payload) {
        this.payload = payload;
    }
<p>
The cancelation payload for the openCypher query.
</p>

@param payload
       The cancelation payload for the openCypher query.
aws-java-sdk-neptunedata/src/main/java/com/amazonaws/services/neptunedata/model/CancelOpenCypherQueryResult.java