Sub Form is integral in completing a typical process flow. This element enables one to show another form inside a form.
There is no limit on the depth of sub form that can be shown.
In the screenshot below taken from the CRM application that comes by default in Joget's installation, the Sub Form is used in the Approval form.
Figure 1: Sub Form inside a Form
Figure 2: Sub Form Properties
ID: Element ID
Label: Sub Form Label
Form ID: Form to be referenced/loaded
Read Only: Determines if this element is editable
Display Field as Label when Read Only: Display the value of the element as plain text when element is set to be as read only.
Display without frame?: Remove default styling applied to Sub Form.
Figure 3: Sub Form Properties - Advanced
If the Form used in Sub Form stores in different table, one may configure this particular section.
Parent Field to keep Subform ID: ID of the field in the parent form to store the Sub Form table's primary key. Sub Form data will be loaded based on the record ID retrieved from this field.
Subform Field to keep Parent ID: ID of the field in the Sub Form form to store the parent table's primary key.