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# WhatsNew Information

WhatsNew information is the latest information that is available for the clusters that IDOL Server identifies in your snapshot.

You can generate WhatsNew information by comparing two snapshots (that have the same name or different names).

IDOL Server saves the results of the `ClusterCluster` action in configuration files (`.cfg`) in the `Clusters` subdirectory of the `Cluster` directory of your IDOL Server installation. You can use the `ClusterResults` action to retrieve them in XML format.

If you configured the `ClusterCluster` action to generate a 2-D map of `WhatsHot` cluster information, you can use the `ClusterServe2DMap` action to return this map in one of the supported image formats (that is, GIF, PNG or JPEG).

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