Copy the override code and then, go to your Assets tab, click on + and add a new override. Name it Magnetichover and paste the code inside replacing the reference code from Framer.

Select your frame/button and from the right panel go down to the code overrides section and click on + then select Magnetichover on file and Followcursor on the override.

To adjust the properties from that same panel click on edit code and adjust the following properties to your use case (damping, stiffness, effectRange, intensity, actionablearea). Adjustable properties have a detailed explanation in the code.