Editing WoW:CVar realmName

{{cvar}}
This variable is used get the current realm name, as was set as the last realm entered.  ''As of patch 5.4.1, this is no longer available and returns nil, can use {{api|GetRealmName}}() instead.''

This is a string value containing the current realm / server name.

In Config.wtf:
*SET realmName "Doomhammer"

In Console:
* /console realmName "Doomhammer"

Acceptable values
String that corresponds to desired default realm on startup.