They say: Just look at the combat log, its easy. The Spy just reads from it. So to look at the combat log:
11/18 03:22:43.456 SPELL_AURA_APPLIED,Player-4727-01673218,“Gythriel-Windseeker”,0x511,0x0,Player-4727-01673218,“Gythriel-Windseeker”,0x511,0x0,768,“Cat Form”,0x1,BUFF
11/18 03:22:43.462 SPELL_CAST_SUCCESS,Player-4727-01673218,“Gythriel-Windseeker”,0x511,0x0,0000000000000000,nil,0x80000000,0x80000000,768,“Cat Form”,0x1,0000000000000000,0000000000000000,0,0,0,0,0,-1,0,0,0,0.00,0.00,1433,0.0000,0
11/18 03:22:44.525 SPELL_AURA_APPLIED,Player-4727-01673218,“Gythriel-Windseeker”,0x511,0x0,Player-4727-01673218,“Gythriel-Windseeker”,0x511,0x0,5215,“Prowl”,0x1,BUFF
11/18 03:22:44.525 SPELL_CAST_SUCCESS,Player-4727-01673218,“Gythriel-Windseeker”,0x511,0x0,0000000000000000,nil,0x80000000,0x80000000,5215,“Prowl”,0x1,0000000000000000,0000000000000000,0,0,0,0,0,-1,0,0,0,0.00,0.00,1433,0.0000,0
11/18 03:22:50.162 SPELL_AURA_REMOVED,Player-4727-01673218,“Gythriel-Windseeker”,0x511,0x0,Player-4727-01673218,“Gythriel-Windseeker”,0x511,0x0,768,“Cat Form”,0x1,BUFF
11/18 03:22:50.329 SPELL_AURA_REMOVED,Player-4727-01673218,“Gythriel-Windseeker”,0x511,0x0,Player-4727-01673218,“Gythriel-Windseeker”,0x511,0x0,5215,“Prowl”,0x1,BUFF
11/18 03:23:22.709 SPELL_AURA_APPLIED,Player-4727-01842934,“Vaxtor-Windseeker”,0x518,0x0,Player-4727-01842934,“Vaxtor-Windseeker”,0x518,0x0,2457,“Battle Stance”,0x1,BUFF
11/18 03:23:22.709 SPELL_AURA_APPLIED,Player-4727-01842934,“Vaxtor-Windseeker”,0x518,0x0,Player-4727-01842934,“Vaxtor-Windseeker”,0x518,0x0,5242,“Battle Shout”,0x1,BUFF
11/18 03:23:22.709 SPELL_AURA_APPLIED,Player-4727-01842934,“Vaxtor-Windseeker”,0x518,0x0,Player-4727-01842934,“Vaxtor-Windseeker”,0x518,0x0,11196,“Recently Bandaged”,0x1,DEBUFF
11/18 03:23:25.784 SPELL_AURA_REMOVED,Player-4727-01842934,“Vaxtor-Windseeker”,0x518,0x0,Player-4727-01842934,“Vaxtor-Windseeker”,0x518,0x0,11196,“Recently Bandaged”,0x1,DEBUFF
11/18 03:23:29.766 SPELL_CAST_SUCCESS,Player-4727-01842934,“Vaxtor-Windseeker”,0x518,0x0,Creature-0-4411-0-276-441-00005254E5,“Black Dragon Whelp”,0xa48,0x0,100,“Charge”,0x1,0000000000000000,0000000000000000,0,0,0,0,0,-1,0,0,0,0.00,0.00,1433,0.0000,0
11/18 03:23:29.945 SPELL_ENERGIZE,Player-4727-01842934,“Vaxtor-Windseeker”,0x518,0x0,Player-4727-01842934,“Vaxtor-Windseeker”,0x518,0x0,100,“Charge”,0x1,0000000000000000,0000000000000000,0,0,0,0,0,-1,0,0,0,0.00,0.00,1433,0.0000,0,9.0000,0.0000,1,0
11/18 03:23:29.945 SPELL_AURA_APPLIED,Player-4727-01842934,“Vaxtor-Windseeker”,0x518,0x0,Creature-0-4411-0-276-441-00005254E5,“Black Dragon Whelp”,0xa48,0x0,7922,“Charge Stun”,0x1,DEBUFF
11/18 03:23:30.871 SWING_DAMAGE,Player-4727-01842934,“Vaxtor-Windseeker”,0x518,0x0,Creature-0-4411-0-276-441-00005254E5,“Black Dragon Whelp”,0xa48,0x0,0000000000000000,0000000000000000,0,0,0,0,0,-1,0,0,0,0.00,0.00,1433,0.0000,0,55,68,-1,1,0,0,0,nil,1,nil
So ya, Its just like reading the combat log lmao!!