How to make pop up suggestion text box for an input field

i want to make a pop up hint box for the input fields which should pop up

• when user puts cursor over it
• when user puts certain value (conditional pop up)

Answer 1

[Fangjun Jiang]

a=uicontrol;
a.Tooltip='input must be between 0 and 10';

[Ni2]

That editfield name is suppose xzy How do we use syntax ?