```\n/// @return returns the value of the given synth in sUSD which is assumed to be pegged at $1.\nfunction priceCollateralToUSD(bytes32 _currencyKey, uint256 _amount) public view override returns(uint256){\n    //As it is a synth use synthetix for pricing\n    return (synthetixExchangeRates.effectiveValue(_currencyKey, _amount, SUSD_CODE));      \n}\n```\n