public void setPlatformApplicationArn(String platformApplicationArn) {
        this.platformApplicationArn = platformApplicationArn;
    }
<p>
PlatformApplicationArn for platform application object.
</p>

@param platformApplicationArn
       PlatformApplicationArn for platform application object.
aws-java-sdk-sns/src/main/java/com/amazonaws/services/sns/model/PlatformApplication.java