How to set a caution to check but not constrain when a value is larger than the answer for a previous question

Hi all,

I am trying to set up a warning note but not a constraint when a value for something is higher than the value for a previous question. For example if D13_unusedchar is higher than C3_newchar I want a warning note to pop up and say please check and if it is OK they can carry on. Any idea how I do this? I tried

select_one yesno D13_char_check "Note, this is is more than the new charcoal amount left yesterday. Is this right?" ${D13_unusedchar} > C3_newchar

Hi @Kirstie_Jagoe,
I put this into an XLSForm, please see attached. I think I've done almost exactly what you suggested, but I think this works. Let me know if I've misunderstood something.

example_unusedchar.xlsx (15.9 KB)

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