If you're building this for a Sims 4 Python script mod, your piece should look similar to this structure:

: Always include a fallback for players who only have the Base Game to prevent the script from "breaking" their entire game on startup.

import services from sims4.common import Pack def is_pack_available(pack_id): """ Checks if a specific Sims 4 pack is installed and available. """ return services.get_instance_manager(sims4.resources.Types.PACK).was_pack_installed(pack_id) # Example: Checking for the 'Get To Work' pack if is_pack_available(Pack.EP01): # Enable features specific to that pack pass Use code with caution. Copied to clipboard Key Considerations for Frankk-style Mods