Hi @Gelos ,
Are you looking for duplicates here and show an error if two rows have the same value? If so put a Label in the gallery with the text of Error (or whatever you want).
Now the next bit is not simple as you have to refer this back to the actual Items of the Gallery (you cannot refer a gallery to itself). If for example the Items of the gallery were
Filter(
MySPList,
YourFilterHere . . .
)
and the field name you were comparing was Title, the Visible of the Label would be
With(
{
wRows:
Filter(
SPList,
Title = ThisItem.Title &&
YourFilterHere . . .
)
},
CountRows(wRows) > 1 &&
ThisItem.Title = First(wRows).Title
)
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