Some features support variable-like strings.

Expand Strings

Variable	Value	Sample output
%user%	the ZNC user name
%nick%	the current nick
%defnick%	the default nick, as specified in the config
%altnick%	the alternate nick, as specified in the config
%realname%	the realname, as specified in the config
%ident%	the ident
%vhost%	the current bindhost
%bindhost%	the current bindhost
%time%	the current time (can be used for CTCP TIME replies)	Sat Oct 21 22:13:08 2006
%uptime%	the current uptime	1w 2d 4h 20m 27s
%version%	ZNC's version string	1.7.0+deb1
%znc%	(since 1.6.3) ZNC's name and website, optionally with version, depending on "Hide version" setting	ZNC - https://znc.in
%empty%	(since 1.7.0) empty string, can be used e.g. as a poor man's way to insert %nick% literally, without expanding it to the current nick: `%ni%empty%ck%.`
%network%	(since 1.7.0) the name of IRC network as configured in ZNC	freenode

Features that support expand strings

Expand strings can be used with many ZNC features. The following is a list of some features that accept expand strings.