Hi @nathandh 👋🏾,
Formulas are essentially synchronous (don't have to await anything) JavaScript functions that manipulate data. Say I needed something to calculate tax that would take an input, add the percentage, and then return that value—you'd use formulas for that. They can only be used in the formula view, not as an action.
Custom actions on the other hand can be asynchronous but also allows you to send events to Nordcraft. Say I want to fetch data from an external API and I want to have events that will trigger when it's successful and when it fails so that I can change things in the UI—that's what custom actions would be for. They can only be used as an action, not in the formula view.
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