Add DBM5 prefix.

.luacheckrc

@@ -50,6 +50,7 @@ globals = {
 	"GetNumGossipActiveQuests",
 	"GetPlayerFactionGroup",
 	"GetQuestReward",
+	"GetRealmName",
 	"GetServerTime",
 	"GetTime",
 	"IsInInstance",
@@ -60,5 +61,6 @@ globals = {
 	"UnitFactionGroup",
 	"UnitGUID",
 	"UnitHealth",
-	"UnitHealthMax"
+	"UnitHealthMax",
+	"UnitName",
 }

DBM-PvP/PvPGeneral.lua

@@ -10,6 +10,9 @@ local isBCC = WOW_PROJECT_ID == (WOW_PROJECT_BURNING_CRUSADE_CLASSIC or 5)
 local isWrath = WOW_PROJECT_ID == (WOW_PROJECT_WRATH_CLASSIC or 11)
 local playerFaction = GetPlayerFactionGroup("player")
 
+local DBM5Protocol = "1" -- DBM protocol version
+local DBM5Prefix = UnitName("player") .. "-" .. GetRealmName() .. "\t" .. DBM5Protocol .. "\t" -- Name-Realm\tProtocol version\t
+
 mod:SetRevision("@file-date-integer@")
 mod:SetZone(DBM_DISABLE_ZONE_DETECTION)
 mod:RegisterEvents(
@@ -88,7 +91,7 @@ do
 		if instanceType == "pvp" or instanceType == "arena" then
 			if not bgzone then
 				SendAddonMessage(isWrath and "D4WC" or isBCC and "D4BC" or isClassic and "D4C" or "D4", "H", "INSTANCE_CHAT")
-				SendAddonMessage(isWrath and "D5WC" or isBCC and "D5BC" or isClassic and "D5C" or "D5", "H", "INSTANCE_CHAT")
+				SendAddonMessage(isWrath and "D5WC" or isBCC and "D5BC" or isClassic and "D5C" or "D5", DBM5Prefix .. "H", "INSTANCE_CHAT")
 				self:Schedule(3, DBM.RequestTimers, DBM)
 				if self.Options.HideBossEmoteFrame then
 					DBM:HideBlizzardEvents(1, true)