Md-Supporting-Text
This property specifies the supporting text displayed below Entry-Fields with a Material Design layout.
Note - this text is displayed over the area specified by the Lines property, so it increases the field height on screen.
Example - Define an entry-field control with a boxed Material Design layout and supporting text
screen section.
...
  03 screen-1-ef-2 Entry-Field
     line 35.5
     column 49.7
     size 13.1 cells 
     lines 4.6 cells 
     material-design 1
     md-label "Name"
     md-supporting-text "Insert you name here"
     id 19
     .