Helper variable that controls the display of the predefined LicenseDlg dialog box: if nonzero, the dialog box is shown; if zero, the dialog box is skipped.
You can refer to this variable as <UILicensePage>. In conditional expressions you can omit the brackets and use tests like UILicensePage. Set this variable to 1 to display the LicenseDlg; set it to 0 to skip that dialog. You can also use a Set Variable action to change its value at installation time.