> Portal Navigation: > > - Append `.md` to any URL under `https://dev.wix.com/docs/` to get its markdown version. > - Pages are either content pages (article or reference text) or menu pages (a list of links to child pages). > - To get a menu page, truncate any URL to a parent path and append `.md` (e.g. `https://dev.wix.com/docs/sdk.md`, `https://dev.wix.com/docs/sdk/core-modules.md`). > - Top-level index of all portals: https://dev.wix.com/docs/llms.txt > - Full concatenated docs: https://dev.wix.com/docs/llms-full.txt # Method name: getDecodedAppInstance() # Method package: wixApplication # Method menu location: wixApplication --> getDecodedAppInstance # Method Link: https://dev.wix.com/docs/velo/velo-only-apis/wix-application/get-decoded-app-instance.md # Method Description: Gets the Wix Blocks App data as a decoded Json Web Token (JWT) object. The `getDecodedAppInstance()` function returns a Promise that resolves to an object with data about the installation of your app on a specific site. It is useful when [managing your application's pricing](https://support.wix.com/en/article/wix-blocks-setting-up-and-managing-your-apps-pricing). # Method Code Examples: *** Note: do not assume any prop names or enum values other than the ones in the example. ## Retrieve the Vendor Product ID ```javascript import wixApplication from 'wix-application'; // ... let plan; wixApplication.getDecodedAppInstance() .then((instance) => { if (instance.vendorProductId) { plan = instance.vendorProductId; // e.g. ‘basic’ } console.log(plan); }) .catch((error) => { console.error("Error fetching the app instance:", error); // Additional error handling logic }); ``` ---