Hey!
Here’s to another consistency one:
A call-to-action based event topic in real-time rules offers the following set of tracking:

Meanwhile, Company and Relationship both offer custom updates:


So why not just make custom updates available for the call-to-action event topic? Consistency and parity are the keys! Shouldn’t be too hard.
PS: event framework might be a workaround if only it was well documented…
Thanks
A