Hi @tonic212 ,
Assuming the User is the User's Full Name (and User is not a good name for a column as it is a Reserved Word in Power Apps - I will call it UserName ). You would set the user name Variable at App OnStart
Set(varUser,User())
Then you could have on the OnChange of the drop-down
If(
CountRows(
LookUp(
YourListName,
UserName=varUser.Name &&
Fruit=Self.Selected.Value
)
)>0,
Notify(
"You already have this fruit",
NotificationType.Error
);
Reset(Self)
)
NOTE .Value may be different depending on the Items of the drop-down.
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