How to Create Custom Functions in Coda
- George Apostolov
How to Create Custom Functions in Coda: step-by-step guide
In any table or canvas, type
=to begin writing a formula.Combine functions and columns however you want.
Insert a formula column to add dynamic calculations to your table.
Name it (example: "DiscountRate") and define the formula inside.
Finalize your smart doc with all your customized formulas and interactive elements.
Edit your Named Formula to automatically update everywhere it’s used.
Quick answer: To create custom functions in Coda, type an equals sign to begin a formula, combine functions and columns, and insert a formula column for dynamic calculations. Name your formula and define it, finalize your smart doc with customized formulas and interactive elements, and edit your named formula to automatically update everywhere.
About this Coda tutorial
Build dynamic calculations and custom functions in Coda by naming formulas and inserting formula columns to update your smart doc automatically. This guide shows how to create Custom Functions in Coda in 6 steps, starting with "In any table or canvas, type = to begin writing a formula" and finishing with "Edit your Named Formula to automatically update everywhere it’s used". The interactive demo above is a click-through copy of the real Coda interface, so you can rehearse each step before doing it in your own account.
Frequently asked questions
How many steps does it take to create Custom Functions in Coda?
6 steps. Each one is listed in order above, and the demo highlights exactly where to click.
Can I try it without changing my own account?
Yes. Clicking through the demo doesn't touch your Coda data or settings. Once you know the flow, repeat it in your own workspace.
This tutorial is filed under Coda. Related guides: How to Create Dashboards with External Data in Coda, How to Create Data Entry Forms in Coda and How to Create Data Visualizations From Tables in Coda. Last reviewed 05 Oct 2026.
Create your first interactive demo in minutes
No credit card required • Start building today
