For relationship tables with complex relationship levels and many fields, sub-form layout may be difficult to effectively present the primary and secondary relationships of data. In this case, sub-form (popover) displays relationship field sub-forms in popup form, providing a clearer presentation.
Embed sub-form through sub-table, supporting complex relationship data display.

Display sub-form in popup form within form block, suitable for scenarios requiring clear presentation of data hierarchy.
Real-time display of title field value outside the popup, helping users understand data content.
By default, allows adding multiple records by clicking the "+" sign.
When this function is disabled, only one data record can be added or associated.

Supports switching to other relationship Field Components, such as dropdown select, data picker, etc.