How do you get past the police in ptd 2 to get into violet city?

In Pokémon Tower Defense 2, to get past the police blocking the entrance to Violet City, you need to complete a specific task related to the storyline. Typically, this involves helping the police with a situation, such as defeating a certain number of wild Pokémon or completing a quest. Once you fulfill the requirement, the police will allow you to proceed into Violet City. Make sure to check any in-game clues or NPC dialogues for further guidance on what to do.