Journals and the activity formatter
Journal fields technically don't store data in the table that the Journal field is on, but instead, create entries in the Journal Entries [sys_journal_field] table. These journal entries, along with other values corresponding to changes to audited fields from the Sys Audits [sys_audit], History [sys_history_line], and Record History [sys_history_set] tables, are displayed in the Activity formatter.
Tip
Journal fields only work on audited tables. Adding such a field will modify a non-audited table's System Dictionary entry so that it becomes audited.
There are three types of Journal fields that you can add to your forms: journal_list, journal, and journal_input.
journal_list fields don't actually store data, but ...
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