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Register a contract's method names with users. |
MetaMask uses the Ethereum Signature Database to display method names on the confirmation screen. For many common method names, such as token methods, this allows MetaMask to look up the method names by their method signature. However, sometimes you're using a method that isn't in that database, and MetaMask simply displays Contract Interaction to the user.
To register your contract's method names so they show in the MetaMask interface, submit each method's signature to the Ethereum Signature Database.