public void setPatternName(String patternName) {
        this.patternName = patternName;
    }
<p>
The name of the log pattern. A log pattern name can contain as many as 50 characters, and it cannot be empty. The
characters can be Unicode letters, digits, or one of the following symbols: period, dash, underscore.
</p>

@param patternName
       The name of the log pattern. A log pattern name can contain as many as 50 characters, and it cannot be
       empty. The characters can be Unicode letters, digits, or one of the following symbols: period, dash,
       underscore.
aws-java-sdk-applicationinsights/src/main/java/com/amazonaws/services/applicationinsights/model/LogPattern.java