Hi @MarkS,
Welcome tot he community! Yes, its possible to use the search function in appearance while executing a select_one_from_file question type in KoBoToolbox. However, please be informed that this only works with Enketo at the moment and not with KoBoCollect or ODK Collect.
You could do the same as shown in the image below:
In the survey tab:
In the choices tab:
In the csv file:
Reference xlsform:
select_one_from_file.xlsx (11.8 KB)
fruits.csv (522 Bytes)
For details, you could also go through the support article Select one or many from external file question type.
GOOD DAY!
