Dropdown value for insert and search

Hello,

Dummy question : I would like to use a value list (Night, Day) for inserting data with a dropdown in a field and also to have the dropdown in the search page.

How can I achieve this?

Thanks for your answerslike

I have achieved installing Custom Vocab, creating a vocab with Night / Day Values. Then use if the field night_Day
As explained here Custom Vocab - Omeka S User Manual

Then I installed The advanced search module, create a search page with this parameter
night_Day = Night Or Day = Select =