Hi is there anyone who can help me
i have a table
Name
Date
Time in
Time out
i want to prevent duplicate entry based on the value of table name and date
You can create a VC with your fields concatenated to apply this duplicate valid-if technique.
I think you could use a "computed key".
It will concatenate the info of the selected columns and create a key column with it, which is automatically considered unique and AppSheet prevents duplicates
How to use computed key sorry im new here
Read the doc @SkrOYC included.
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