The Form's source is here .

How to import Form into the system see here . 

Of course, you could create the form "from scratch".
However, it will be faster to slightly modified the Form from the previous example. Here we explain this method.

Open the previous Form and save it by another name

Open (in the XLSX Workbench) the form EMPLOYEELIST (from previous example) and save it by another name  EMPLOYEELIST_2.

Modify the template binding for «Pattern»

Modify the template binding for the component

according to scheme below :

Create a new component «Folder» and include the «Pattern» into it

• Create a new component :

• • Move the component

on the just created component

 (via 'drag-and-drop' technique) to include the «Pattern» into the «Folder» :

Create another component «Pattern» that describes the top level of list

under the «Loop»:

• Perform Template binding for a «Pattern» according to scheme below:

• Perform Template binding for «Value» according to scheme below:

• Assign a «Value» 

 to corresponding field of the Context . 

Activate the Form by pressing a button 

Explanations

There are two levels in the list: Top level («non-collapsible» record) and Low level («collapsible» records).

• • We have created «Pattern», that describes the Top-level record of the list:

• • To make Low-level records «collapsible», we have included it into the Folder component with «Group» option: