I use a SQL Server Profiler trace template called "Procs completed by me", that include this text filter: %@UserID=123%.
Almost all the stored procedures run by our website include a @UserID parameter, so I can click away and see the effect on the database. And it ignores all the stored procedures run by other website users. Incredibly useful!
How do I create the same thing in extended events?
The answer (from David below) is
CREATE EVENT SESSION XE_ProcsRunByMe
ON SERVER
ADD EVENT sqlserver.rpc_completed (WHERE sqlserver.like_i_sql_unicode_string(statement,N'%@UserID=123%'))