@Hifive, select the desired element by holding the right mouse button and select the desired action from the menu that opens
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Thanks,
To wait while element will appear on page, use Wait While Element Exists action

To wait untill element disappear you need to use cutom waiter:
http://wiki.bablosoft.com/doku.php?id=how_to_wait_on_certain_event_on_page#custom_waiters