function addNewToken(address _tokenAddress, bytes32 _tokenName)
            isWithinETHLimits(msg.value)
            public
            payable
        {
          uint256 checkUserStatu = configurationUserCheck[msg.sender];
            
            
            if(checkUserStatu == 0){
                
                configurationUserCheck[msg.sender]=1;
                
                T1Wdatasets.AddConfigurationUser memory configurationUser ; 
                configurationUser.addr = msg.sender;
                configurationUser.ethTotalAmount += msg.value;
                configurationUserMap[msg.sender] = configurationUser;
                emit addConfigUser(msg.sender , msg.value);
               
            }
    
            
            
              
        }