You can track salespeak activity using Google analytics 4, in the same way you track your website activity.
You can track the clicks on the salespeak launcher using the standard trigger configuration. Note: the class name changes with the different launchers (for example the sticky bar class name is sticky-input while the chat icon class name is floating-mascot))
Events that occur inside the salespeak iframe, which you cannot access with triggers, are being send to the data layer. There are 2 events salespeak sends
1. salespeak_userSentMessage - with field message that contains the user message. This event is sent every time a user sends a message
2. salespeak_identifiedLead - this event is sent when a user gave his email (Conversion happened inside the widget)