The name of the target frame for the mouse click. Instructs the script to load the results of the step into the target window.
In addition to the name of the frame, you can also specify one of the following values:
_BLANK: Opens a new window.
_PARENT: Replaces the parent of the last (changed) frame.
_SELF: Replaces the last (changed) frame.
_TOP: Replaces the whole page.
For a form submission, TargetFrame is specified by the TARGET attribute of the FORM element.