Right-click a tool in the Extension Tree and choose
Add text box.
In the Properties panel, enter a Text box
name and choose Value with Units as your
Text box type.
As desired, enter a value for Initial value unit, choose a
Quantity type, and select an Initial value
unit.
Based on the entered Initial value and other options, enter the
desired Set min. value and Set max.
value.
As needed, choose a Hud position and Initial
state for your text box, or check to make it Read
only.
Click Create to add the text box to your extension. During
preview or publication of your extension, any values entered outside of the specified
range will prompt an error message.