🚀 Killer Updates New Make.com : arrayIntersect() & arrayDifference()

Just noticed that Make has added two very useful array functions:

✅ arrayIntersect()✅ arrayDifference()

At first glance they seem simple, but they can eliminate a lot of routers, iterators, filters, and custom logic that many of us have been building manually.

Example Use Case: Order Fulfillment

Imagine you receive two JSON datasets:

Orders

[

{"ProductNumber":"P1001"},

{"ProductNumber":"P1002"},

{"ProductNumber":"P1003"},

{"ProductNumber":"P1004"}

]

Warehouse Inventory

[

{"ProductNumber":"P1003"},

{"ProductNumber":"P1004"},

{"ProductNumber":"P2001"},

{"ProductNumber":"P2002"}

]

If you want to get the product number that is in both in Orders and Warehouse Inventory you could use

✅ arrayIntersect()

OUTPUT :

P1003

P1004

Or if you want the product number that is in the first Array you choose (Eg : Orders) and not in the second array (Eg : Warehouse Inventory) you could use

✅ arrayDifference()

P1001

P1002

Why This Is Useful

Some quick automation ideas:

🔹 Compare ERP products vs Warehouse stock

🔹 Find customers present in CRM but missing in Mailchimp

🔹 Compare Leads from two systems

🔹 Match employee records between HR and Payroll systems

🔹 Find invoices not yet paid

🔹 Compare Shopify orders against fulfillment records

🔹 Detect missing records during data migrations

Previously, I would typically use iterators, filters, aggregators, or custom JavaScript for these scenarios. Now it can be done with a single function.

Small update, but definitely one of those features that will simplify a lot of real-world automation workflows.

Looking forward for your thoughts on this !

8 comments