How to make a item (Keycard) required teleporter/door (⬜ 0/10)

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1. this is very easy, so it probably doesn’t need a guide for itself
2. speaking of this, there’s already a guide on this:

Keycard Required Teleporter (2/10)

This guide is for those who wants a teleporter similar to fishtopia, but require a keycard that can be used for every travel to an island. Devices needed Steps on making the teleport-check system Setting up a very basic keycard purchasing system Difficulty Poll Credits

3. good job on your first guide! better than mine