Set a tooltip for the widget
Basic S3 method for tooltip<-
| 1 2 3 4 |   tooltip(obj) <- value
  ## Default S3 replacement method:
tooltip(obj) <- value
 | 
| x | object | 
| value | character tooltip value | 
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.