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If this is a default option (QUEST_GIVER / TRAINER / etc..) this is the option_id from the core. Again, it would be cool if someone posted a list here – NOT IT! 
npc_option_npcflag
field-no-description|6This is the npcflag that the NPC must have to have this option display. Someone (for the love of all that is holy) post a list here.
action_menu_id
field-no-description|7
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