sent HECO to Matamask on the Ether chain and now its missing. is it possible to get it back? i’m a first time user. stupid mistake…
Welcome to the MetaMask Community @AlexPausal !! 
HECO Chain is a fork of the Ethereum Mainnet, which means you can interact with the network via your MetaMask wallet. You will just need to add the RPC network and custom token.