docs/docs/en/interface-builder/fields/specific/sub-table.md
The sub-table is suitable for handling to-many association fields. It supports batch creation and association of new data in the target collection, or selecting and associating existing data.
Different types of fields in the sub-table display different field components. Large fields (such as Rich Text, JSON, Long Text) are edited through a pop-up modal.
Association fields in the sub-table.
Orders (One-to-Many) > Order Products (One-to-One) > Opportunity
The default component for an association field is the Single select (supports Single select/Data selector).
Supports selecting and associating existing data.
Field Component: Switch to other association field components, such as Single select, Data selector, etc.
Whether to allow unlinking existing data for the association field in the edit form.