This function is PROTECTED, and can only be called from Blizzard code. It has been protected since patch 2.0.1. Will be unprotected in 2.0.x.

Invites the specified player to a duel.

StartDuel(playerName);

Parameters

Arguments

playerName 

The name of the player you wish to duel

Example

StartDuel("Sembiance");

Result

Invites Sebiance to start a duel with you.