public void setTopicArn(String topicArn) {
        this.topicArn = topicArn;
    }
<p>
The ARN of the topic whose access control policy you wish to modify.
</p>

@param topicArn
       The ARN of the topic whose access control policy you wish to modify.
aws-java-sdk-sns/src/main/java/com/amazonaws/services/sns/model/RemovePermissionRequest.java