Hi Lorryl,
Greetings from the Syncfusion support.
We have checked the attached documentation link and found that the events related API content is not available. So, we have already logged a documentation task to fix the events API section properly in EJ2 angular documentation and this will be refreshed in any of our upcoming documentation publish. For your convenience we have shared the documentation in which we have listed out all our Grid component events, please refer them for your reference.
Until then we appreciate your patience.
Regards,
Rajapandi R