public void setSlack(String slack) {
        this.slack = slack;
    }
<p>
The operation to be performed on the provided Slack source fields.
</p>

@param slack
       The operation to be performed on the provided Slack source fields.
@see SlackConnectorOperator
aws-java-sdk-appflow/src/main/java/com/amazonaws/services/appflow/model/ConnectorOperator.java