Manage preferences used in uigetpref
uigetpref
uisetpref('clearall')
uisetpref('clearall') resets the value of all preferences registered through uigetpref to 'ask'. This causes the dialog box to display when you call uigetpref.
'ask'
Note Use setpref to set the value of a particular preference to 'ask'.
setpref
setpref | uigetpref