```\\nfunction updateBuyFees(uint256 _marketingFee, uint256 _liquidityFee, uint256 _devFee) external onlyOwner {\\n    buyMarketingFee = _marketingFee;\\n    buyLiquidityFee = _liquidityFee;\\n    buyDevFee = _devFee;\\n    buyTotalFees = buyMarketingFee + buyLiquidityFee + buyDevFee;\\n    require(buyTotalFees <= 50, "Must keep fees at 50% or less");\\n}\\n```\\n