olark.configure('CalloutBubble.bubble_height', integer );

Notes

Set the Attention Grabber image height in pixels.

For example:

olark.configure('CalloutBubble.bubble_height', 25 );

Results in an attention grabber with a height of 25px.

This only works if you either, have the Attention Grabber switched on in the Attention Grabber settings , or are using the API call to Enable the Attention Grabber .