Instead of a comma, you should use semi-colons to separate function parameters.
sum( 1.variable1 ; 2.variable2 )
Here are some useful links and guides you can use to learn more on how to use the Make platform, apps, and app modules. I found these useful when I was learning Make, and hope they might benefit you too —
Learn Make
- Help Centre | Tutorials – Make’s “manual” - search for help here first
- Make Academy – Basics 101: Learn Make properly to get your money’s worth
- Mapping – What is mapping? What can I map?
- Mapping with arrays – How to map items in an array
- Date Format: tokens for
parseDate| tokens forformatDate - HTTP modules – Make a request, Get (download) a file
- Webhooks – Error Handling, Responding to webhooks
How-Tos
- Router Magic Formula - YouTube
- Error Handlers in Make - YouTube playlist
- Aggregate an array for mapping complex fields
- Getting started with OpenAI - How to setup and use OpenAI in Make
- Text Parser module - Use pattern matching to extract the text you want
- Webhooks – Make Academy - tutorial on how to use Webhooks
Useful to Know
How to schedule scenario for first Monday next month (recurring)
How to schedule scenario for the last day next month (recurring)- How to Extract URL Query Parameters Into Variables
- Overview of Different Web Scraping Techniques in Make

- [Free] Use Groq AI to filter spam emails and form submissions!
Automate Follow-Up of Email Leads a Week After- How to group bundles in X amount of bundles (Chunking Arrays)
My Custom App — Absolutely Free!
Save headaches and operations with these utility modules:
- Chunk Text
- Chunk Array
- Chunk Words
- Multiple Find & Replace
- Collection to Array/String List
- Execute JavaScript
- Estimate Tokens
- Calculate Difference Between Two Dates
- List Upcoming Dates of Day of Week
… and more!
Hope this helps! Let me know if there are any further questions or issues.
— @samliew