Set Default Name
Enabling this option will have replay generate a name for your capture when you finish recording.
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Name FormatThe name will start with the date in format YYYYMMDD
(Year, Month, Day), followed by the time the recording was made in the format HHmm-ss
(Hour, minute, seconds).
For example, if I were to record a capture on the date 15/09/2021, at 6:28:00 pm, the capture name generated would be "20210915-1827-00".
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Default Name PrefixThe 'Default Name Prefix' field also becomes editable upon enabling the Set Default Name option.

Adding a prefix will insert whatever string you enter at the beginning of the generated name. All together the format will look like:
PrefixYYYYMMDD-HHmm-ss.
It is also possible to manually edit the generated name before saving the recording.