In sims freeplay how do you unlock the secret door in the wizards house?

To unlock the secret door in the Wizard's House in Sims FreePlay, you need to complete the "Wizard's House" quest, which involves building the house and then finishing specific tasks assigned during the quest. Once you've completed these tasks, you can access the secret door by tapping on it. Make sure you have the required items or resources as you progress through the quest to successfully unlock the door.