import org.rsbot.script.Script;

public class screenShot extends Script {

    private long start, last;

    @Override
    public boolean onStart() {
        start = System.currentTimeMillis();
        last = start;
        return true;
    }

    @Override
    public int loop() {
        if (System.currentTimeMillis() > last + 1000 * 60 * 60) {
            last = System.currentTimeMillis();
            env.saveScreenshot(false);
        }
        // code here
        return 100;
    }

}