The tab is used to manage the parameters of nested elements, that is, it specifies which parameters will control nested elements and how.
The tab displays a list of nested objects linked to dictionaries. The following options are available:
If an element does not have parameters, only its name is displayed.
If the element has a certain set of parameters, the 
icon is displayed to the left of its name. Click this icon to expand the list of parameters for the selected element. The icon is replaced by its opposite: 
.
Parameter values are set in the Expression Editor dialog box, which opens on double-click on the selected parameter.
See also:
To open the tab