asd

if(newkeys & KEY_CROUCH && GetPlayerState(playerid) == PLAYER_STATE_DRIVER) // Jump 'C'
	{
	    if(InChallenge[playerid] == 97 &&  InMinigame[playerid] == 178)
	    {
            if(GetPVarInt(playerid, "UsedJump") ==1)
			{
				GameTextForPlayer(playerid, "~y~Bounce in Cooldown", 3000, 3);
				return true;
			}
			SetPVarInt(playerid, "UsedJump", 1);
			SetTimerEx("ResetJump", 8000, false, "i", playerid); //
	    	new vID = GetPlayerVehicleID(playerid),Float: POS[3];
			GetVehicleVelocity(vID, POS[0], POS[1], POS[2]);
			SetVehicleVelocity(vID, POS[0], POS[1], POS[2] + 0.3);
	    }
	}

forward ResetJump(playerid);
public ResetJump(playerid);
{
	if(IsPlayerConnected(playerid)) DeletePVar(playerid, "UsedJump");
}