public void setGraphArn(String graphArn) {
        this.graphArn = graphArn;
    }
<p>
The ARN of the behavior graph for which to retrieve the list of member accounts.
</p>

@param graphArn
       The ARN of the behavior graph for which to retrieve the list of member accounts.
aws-java-sdk-detective/src/main/java/com/amazonaws/services/detective/model/ListMembersRequest.java