Function used in mission creation.

Objective: The player has to find a NPC and talk to him through the contextual menu, generally used in introduction of a dyn_chat.

name: Objective name, only used by the mission designer.

npc_name: Tag of the NPC that has to be talked to.

hide_obj (Boolean): Prevent the step to be displayed in the mission log.

overload_objective (Optional): Allow to set a specific a description of the mission. See text guidelines for the formatting requirements.

roleplay_objective (Optional): Allow to add a description to the step.

phrase_menu: Text that appears in the NPC contextual menu. See text guidelines for the formatting requirements.

npc_name (bot): $npc$