Here's your suggestion with spelling, punctuation, and grammar corrected:

> I have a suggestion: it would be great if you could have a police badge with you, but it wouldn't be displayed on your clothes or uniform when you're playing undercover. Instead, you could keep the badge hidden and hold it in your hand when needed. For example, if you're arresting someone or if someone asks you to identify yourself, you could take out the badge and show it. This would allow players to properly roleplay as undercover officers without having their badge visibly displayed at all times.