Display message when the cursor is over the NSSearchField

Question

I need to display a message similar the following attachmnet

I dont know the technical term what exactly it called in cocoa terminology. So,I could not google it also.just I am interested to know how can I implement this feature.

Answer 1

They're called tooltips and can be added to any view. You can add them programmatically like so:

[searchField setToolTip:@"Hello World!"];