There is quite a number of documents regarding the parameters to be used for creating missions. They can be found in the Ryzom Core code, in folder ryzomcore/code/ryzom/common/data_leveldesign/leveldesign/world_editor_files/class_doc

• add_compass
• ai_event
• bot_chat
• buy
• cast
• craft
• custom_loot_set
• custom_loot_table
• depositzone
• destroy_item
• do_mission
• dyn_answer
• escort
• fail
• forage
• give_item
• give_money
• group_fauna
• item_guidelines
• jump_to
• keywords
• kill
• learn_action
• linear_dyn_chat_continue
• linear_dyn_chat_fail
• linear_dyn_chat_retry
• loot
• mission_tree
• no_answer
• npc_bot
• npc_event_handler_action
• npc_group
• npc_group_parameters
• people
• population
• popup_msg
• pre_requisite
• recv_faction_point
• recv_fame
• recv_item
• recv_money
• recv_xp
• rite_nomenclature_guidelines
• script_guidelines
• sell
• set_constrains
• skill
• spawn_mission
• step
• step_any
• step_dyn_chat
• step_failure
• step_if
• step_ooo
• system_msg
• talk_to
• target
• teleport
• teleport_destination
• teleport_spawn_zone
• teleport_trigger
• text_guidelines
• user_model
• var_creature
• var_faction
• var_group
• var_item
• var_npc
• var_place
• var_quality
• var_quantity
• var_text
• visit