How to create a last date modified field for other attribute fields?

I want to have fields that have Last date modified for other attribute fields.

If you are asking to have a modified timestamp field just when a single field (or fields) change, then create a timestamp field, and in the field options, make it an auto-enter calculation:

The calculation would be something like:

let ( ~trigger = fielda & fieldb & fieldc ; get ( CurrentTimestamp ) )

This calculation is triggered any time field a, b or c is changed, and the result is the current timestamp. It will only change when any of the 3 fields in the current table / record are modified.

Make sure in the auto enter option you turn off the option "do not replace existing value of field(if any)"