How to I return an array size?

Hi all. I am reading in a file, looping over all lines, and sorting in to arrays based on size of volumes indicated. Ultimately, this is so I can pipette with different tip sizes. I then need be able to return the size of each array. But HSLArrLib VarArrGetSize requires you to indicate a row or index number in the parameters. Which is exactly what I am trying to return. Is there maybe a different library for this?
Screenshot 2024-09-19 at 2.21.13 PM

There is a GetSize step in the same place as declare array etc. Its a core function.

Or in HSL, you can do array.GetSize();

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OMG amazing! didn’t even think to look in regular steps. Thanks so much!