```\\nfunction swapBack() private {\\n    uint256 contractBalance = balanceOf(address(this));\\n    uint256 totalTokensToSwap = tokensForLiquidity + tokensForMarketing + tokensForDev;\\n    bool success;\\n\\n    if(contractBalance == 0 || totalTokensToSwap == 0) {return;}\\n\\n    if(contractBalance > swapTokensAtAmount * 20){\\n      contractBalance = swapTokensAtAmount * 20;\\n    }\\n\\n    uint256 liquidityTokens = contractBalance * tokensForLiquidity / totalTokensToSwap / 2;\\n    uint256 amountToSwapForETH = contractBalance.sub(liquidityTokens);\\n\\n    uint256 initialETHBalance = address(this).balance;\\n\\n    swapTokensForEth(amountToSwapForETH); \\n\\n    uint256 ethBalance = address(this).balance.sub(initialETHBalance);\\n\\n    uint256 ethForMarketing = ethBalance.mul(tokensForMarketing).div(totalTokensToSwap);\\n    uint256 ethForDev = ethBalance.mul(tokensForDev).div(totalTokensToSwap);\\n\\n\\n    uint256 ethForLiquidity = ethBalance - ethForMarketing - ethForDev;\\n\\n\\n    tokensForLiquidity = 0;\\n    tokensForMarketing = 0;\\n    tokensForDev = 0;\\n\\n    (success,) = address(devWallet).call{value: ethForDev}("");\\n\\n    if(liquidityTokens > 0 && ethForLiquidity > 0){\\n        addLiquidity(liquidityTokens, ethForLiquidity);\\n        emit SwapAndLiquify(amountToSwapForETH, ethForLiquidity, tokensForLiquidity);\\n    }\\n\\n\\n    (success,) = address(marketingWallet).call{value: address(this).balance}("");\\n}\\n```\\n