Hi @Nigel Foot ,
This flow can get the value/numbers that I have selected in the lookup column into the new list item.
Here are steps:
The test results are shown below. I created a site lookup column in 0919library. When uploading or modifying a file, the flow is triggered, and the value in the lookup is separated by ";" and displayed in 0919list2 (sorry for the My attempt, I have no way to convert the displayed content to int).
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