Training Course
Adding a prefilter: https://docs.totum.online/adding-a-prefilter-field-and-linking-it-to-a-line-part-field
How to filter by Select: https://docs.totum.online/how-to-filter-by-select
Filter by checkbox: https://docs.totum.online/using-manual-selections-in-prefilters
Duplicating fields: https://docs.totum.online/duplicate-and-paste-fields-duplicate-to-another-table