From the blog "Emby Blog"

Emby Server 4.7.7 - Keyword Recording, Lock Screen, Mini-Dock & More This is the latest point release of Emby Server containing new features as well as fixes for identified issues. DVR: Support Keyword-Based Recordings Newly added to 4.7.7 is the ability to record based on keyword(s).  One way to access this new feature is to use the Recording tab from the Live TV interface, clicking on the Add Recording button as shown below. This brings up the following menu allow