I am not getting it, I can’t get acf/pre_save_post to trigger in the backend at all and read in another post that it wont work on the backend, so confused.
If anyone has an idea how I can calculate a value from two field before I “save Post, ex. I add speed in one field and time in another then it should calculate ETA and autofill a second time field, ps I also have a distance field to do the caclulation.
Any ideas or pointers in the right direction would be appreciated,
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