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# Upgrading

Beginning with version 20.1.0, the cartridge uses the onRequest method, which enables it to respond to every site route automatically.

* To use the onRequest method, please remove all previous integration points that were manually added to your controllers (pxManager object integration).
* To keep your previous integration (without using onRequest), simply delete the hooks.json file located under the services folder of the int\_perimeterx cartridge.

In addition, you must import the metadata and services again, as explained in the [Importing Metadata and Services](/applications/salesforce-commerce-cloud-cartridge/importing-metadata-and-services) section.

For more information contact [HUMAN Support](/applications/support).