Handsontable not recognising custom formula

Question

I created a simple handsontable with a custom formula, but I cannot get it to work.

I followed the example in the HyperFormula docs but the function is not being recognised by the library.

Here is an example:

Answer 1

Updated for everyone looking for the answer https://codesandbox.io/s/nice-worker-yjcsjw the HyperFormula.registerFunctionPlugin has to be called before the instance is created. It is mentioned here in the docs: https://hyperformula.handsontable.com/api/classes/hyperformula.html#registerfunctionplugin