Imagine we have this website.

now let’s try to login.

now let’s try to go and buy anything.

As shown we have promo code.

As shown below notice that when applying the promo code we saved 20%

Now let’s send the promo code apply request to the repeter.

now after adding the request to group just press control + R

Notice that now we have 20 requests in one group.

Now let’s choose send group in parallel.

and we solved the lab