public java.util.List<String> getAppIds() {
        if (appIds == null) {
            appIds = new com.amazonaws.internal.SdkInternalList<String>();
        }
        return appIds;
    }
<p>
An array of app IDs for the apps to be described. If you use this parameter, <code>DescribeApps</code> returns a
description of the specified apps. Otherwise, it returns a description of every app.
</p>

@return An array of app IDs for the apps to be described. If you use this parameter, <code>DescribeApps</code>
        returns a description of the specified apps. Otherwise, it returns a description of every app.
aws-java-sdk-opsworks/src/main/java/com/amazonaws/services/opsworks/model/DescribeAppsRequest.java