else if (MSG.toUpperCase() === "!CHECK") {
    let theirCSGO =0,theirTF2;
    manager.getUserInventoryContents(SENDER.getSteamID64(),730, 2, true, (ERR2, INV, CURR) => {

			if(ERR2){
				console.log(ERR);
			} else {
				for(var i=0;i<INV.length; i++){

					var item = INV[i].market_hash_name;
           if (CONFIG.CSGO_Keys.indexOf(INV[i].market_hash_name) >= 0) {
						theirCSGO++;
					}
				}
				}
    let theirTF2 =0,theirGems;
		manager.getUserInventoryContents(SENDER.getSteamID64(), 440, 2, true, (ERR, INV, CURR) => {

			if(ERR){
				console.log(ERR);
			} else {
				for(var i=0;i<INV.length; i++){

					var item = INV[i].market_hash_name;
					if (CONFIG.TF2_Keys.indexOf(INV[i].market_hash_name) >= 0) {
						theirTF2++;
					}
				}
				}
				manager.getUserInventoryContents(SENDER.getSteamID64(), 753, 6, true, (ERR3, INV3, CURR) => {

					if(ERR3){
						console.log(ERR);
					} else{
						let TheirGems = INV3.filter(gem => gem.name == "Gems");
						if (TheirGems === undefined || TheirGems.length == 0){
							theirGems =0;
						} else{
							let gem = TheirGems[0];
							theirGems = gem.amount
						}

						let TF2_Msg ="",Gems_Msg ="";csgo_Msg ="";

						if(theirTF2>0){
						 TF2_Msg = "- I can give you "+(theirTF2*4400)+" Gems for them (Use !SellTF "+theirTF2+")";
						}
						if(Math.floor(theirGems/CONFIG.Rates.BUY.Gems_To_TF2_Rate) >0){
						 Gems_Msg = "- I can give you "+(Math.floor(theirGems/CONFIG.Rates.BUY.Gems_To_TF2_Rate))+" TF2 Keys for Your "+((Math.floor(theirGems/CONFIG.Rates.BUY.Gems_To_TF2_Rate))*CONFIG.Rates.BUY.Gems_To_TF2_Rate)+" Gems (Use !BuyTF "+Math.floor(theirGems/CONFIG.Rates.BUY.Gems_To_TF2_Rate)+")";
						}
            if(theirCSGO>0){
             csgo_Msg = "- I can give you "+(theirCSGO*3300)+" Gems for them (Use !SellCS "+theirCSGO+")";
            }

						client.chatMessage(SENDER,"★ You have: \r\n\r\n✔"+theirTF2+" TF2 Keys "+TF2_Msg+"\r\n✔"+theirGems+" Gems "+Gems_Msg+"\r\n"+theirCSGO+" CS:GO Keys "+csgo_Msg);
					}
				});

		});
  });