Effortless Round-Robin Setup in Make.com Scenarios

I’ve seen the craziest workarounds to do a round-robin in your scenario in Make.com, but it’s actually really easy.

You need a module, a magic formula, and a router.

Let me show you how it works.

What is a round-robin?

A round-robin is a method for evenly distributing tasks or choices by cycling through a list in order, so everyone or everything gets a turn in a fair and systematic way.

For example, if you have a team of three, each team member gets assigned a task one after another until everyone has had a turn.

• Task #1 → Max
• Task #2 → Emmah
• Task #3 → Joe
• Task #4 → Max
• Task #5 → Emmah
• etc.

In a scenario it’s especially helpful to evenly distribute between routes in a router.

Implementation of round-robin

Step #1: increment function

First, add the tool Increment Function to your scenario.

The first time the scenario runs it will return a value of 1, and will then add 1 to the number every time the scenario runs.

So the fifth scenario execution the value 5, and the nine hundred twenty-eighth scenario execution it will be 928.

Step #2: magic formula

We’re going to use a formula to calculate and evenly distribute between your options.

Let’s say we have 3 options, what we want is this;

• Execution #1 goes to option #1
• Execution #2 goes to option #2
• Execution #3 goes to option #3
• Execution #4 goes back to option #1
• Execution #5 goes to option #2
• etc.

To do just that, we are going to use the mod operator with a simply formula;

(628+1)%3

= 1

Let me explain;

• 628 is the number from our increment function, this will increase by 1 every scenario execution.
• 1 increases the number from the increment function by 1 so we select the next option.
• % calculates the remainder after diving it by the amount of options.
• 3 the amount of options

But you honestly don’t need to understand the calculation, I also find this modulo very confusing, haha.

Just change the number 3 by the amount of options you want, and the first number by the item from the increment function module.

(1. i+1)%3

= 0, 1 or 2

This formula will now automatically return 0, 1 or 2 every time the scenario runs.

If you want for example 5 options, you would use this;

(1. i+1)%5

= 0, 1, 2, 3 or 4

See? We changed the last number to 5 and there are now 5 options.

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Step #3: add router with filters

Now that you know the magic formula, let’s see how we can use it inside our Make.com scenario.

First, create a router with the amount of routes equal to your amount of options.

I want 3 options, so I created 3 routes:

And then click on the dotted line to create a filter with our magic formula for the round-robin:

Do the same for the other routes;

• Round-robin option #1 = equal to 0
• Round-robin option #2 = equal to 1
• Round-robin option #3 = equal to 2

And that’s it!

Every time the scenario executes, it will follow the next route in the router 🙂

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Over to you

Hope it’s helpful!

Any questions? Let me know in the comments below!