Plutus Playground Smart Contract

Playground.hs

import Language.PlutusTx.Prelude
import Playground.Contract
import Wallet

data MyType = First | Second | Third
    deriving (ToSchema, Generic)

myFunction :: MonadWallet m => MyType -> m ()
myFunction myType = logMsg "Message"

$(mkFunctions ['myFunction])

Simulation.json

[0,[{"wallets":[{"simulatorWalletWallet":{"getWallet":1},"simulatorWalletBalance":{"getValue":[[{"unCurrencySymbol":""},[[{"unTokenName":""},10]]]]}},{"simulatorWalletWallet":{"getWallet":2},"simulatorWalletBalance":{"getValue":[[{"unCurrencySymbol":""},[[{"unTokenName":""},10]]]]}}],"signatures":[{"functionName":"myFunction","argumentSchema":[{"contents":["First","Second","Third"],"tag":"FormSchemaRadio"}]},{"functionName":"payToWallet_","argumentSchema":[{"tag":"FormSchemaValue"},{"contents":[["getWallet",{"tag":"FormSchemaInt"}]],"tag":"FormSchemaObject"}]}],"currencies":[{"knownTokens":[{"unTokenName":""}],"hash":"","friendlyName":"Ada"}],"actions":[{"simulatorWallet":{"simulatorWalletWallet":{"getWallet":1},"simulatorWalletBalance":{"getValue":[[{"unCurrencySymbol":""},[[{"unTokenName":""},10]]]]}},"functionSchema":{"functionName":"myFunction","argumentSchema":[{"contents":[["First","Second","Third"],"First"],"tag":"FormRadio"}]},"tag":"Action"}]}]]