Dynamics 365 Business Central: How to get Extension Package ID from App ID in AL

Dynamics 365 Business Central

The article discusses how to retrieve the Extension Package ID from the App ID in AL.
App ID serves as a unique identifier for extensions and remains constant across versions.
The Package ID, on the other hand, is unique to each environment and is not saved in the app.json file.
Standard functions like UninstallExtension() in codeunit 2504 "Extension Management" use Package ID.
Three methods are provided to retrieve the Package ID from the App ID in AL.
Method 1 involves using codeunit 2504 "Extension Management" and the GetCurrentlyInstalledVersionPackageIdByAppId procedure.
Method 2 utilizes table 2000000153 "NAV App Installed App" to retrieve the Package ID.
Method 3 involves using NavApp Data Type and ModuleInfo Data Type to get the Package ID.

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