public void setFilterName(String filterName) {
        this.filterName = filterName;
    }
<p>
A name for the subscription filter. If you are updating an existing filter, you must specify the correct name in
<code>filterName</code>. To find the name of the filter currently associated with a log group, use <a href=
"https://docs.aws.amazon.com/AmazonCloudWatchLogs/latest/APIReference/API_DescribeSubscriptionFilters.html"
>DescribeSubscriptionFilters</a>.
</p>

@param filterName
       A name for the subscription filter. If you are updating an existing filter, you must specify the correct
       name in <code>filterName</code>. To find the name of the filter currently associated with a log group, use
       <a href=
       "https://docs.aws.amazon.com/AmazonCloudWatchLogs/latest/APIReference/API_DescribeSubscriptionFilters.html"
       >DescribeSubscriptionFilters</a>.
aws-java-sdk-logs/src/main/java/com/amazonaws/services/logs/model/PutSubscriptionFilterRequest.java