You can use the Package Manager to define project dependencies, resolve package dependencies, download and add packages as needed, and integrate content in your projects.
Using your computer’s file manager (for example the Windows File Explorer or the macOS Finder), navigate to your project folder and locate the Packages subfolder.
Create a new subfolder for your package inside the Packages folder using a name that matches the package name. For example, if your package is called com.example.mypackage, the subfolder should also be called com.example.mypackage.
Note: This is particularly important if your package contains assets, because the AssetDatabase looks for an asset path that matches Packages/<your-package-name>/Assets, regardless of what the actual folder is called.
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