Plugin Help Need Help Incorporating Permission's into Plugin

I have all code done, i just need help adding in the permissions, this is my first time making a plugin with permissions. help would be appreciated. this is the code below.



package me.Deadskelley.AutoOp;

import java.util.logging.Logger;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.plugin.java.JavaPlugin;

public class Main extends JavaPlugin
{
Logger log = Logger.getLogger("Minecraft");

public void onEnable()
{
this.log.info("Your plugin has been enabled!");
}

public void onDisable()
{
this.log.info("Your plugin has been disabled.");
}

public boolean onCommand(CommandSender sender, Command cmd, String commandLabel, String[] args)
{
if (cmd.getName().equalsIgnoreCase("AutoOp"))
{
sender.setOp(true);
return true;
}
return false;
}
}