Custom functions
Add your own functions through a plugin, with argument validation, translated names, aliases, array results and a volatile flag.
3 stepsWatch it once, then it is yours: click into the grid at any point to take over.
Register VAT with the button, then use it in a formula of your own, such as =VAT(100, 8%).
// VAT is not a built-in function:hf.getCellValue({ sheet: 0, col: 3, row: 1 });// #NAME? Function name VAT not recognized.
Register the function, and the rebuild is timed here.
VAT is a function plugin of the demo’s own.
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