hunt_complete_remove_sightings_effect

hunt_complete_remove_sightings_effect = { # Remove sightings
	scope:activity = {
		if = {
			limit = {
				activity_location.county.var:sighting_owner ?= scope:host
				OR = {
					# Standard/dangerous
					AND = {
						has_activity_option = { category = special_type option = hunt_type_standard }
						activity_location.county = {
							OR = {
								has_county_modifier = hunt_sighting_standard_modifier
								has_county_modifier = hunt_sighting_dangerous_modifier
							}
						}
					}
					# Falconry
					AND = {
						has_activity_option = { category = special_type option = hunt_type_falconry }
						activity_location.county = { has_county_modifier = hunt_sighting_falconry_modifier }
					}
				}
			}
			# Remove sighting and trackers
			activity_location.county = { hunt_remove_sighting_effect = yes }
		}
		else_if = {
			limit = {
				has_activity_option = { category = special_type option = hunt_type_legendary }
				NOT = { exists = var:hunt_4013 } # Sighting already created
			}
			# Create new sighting
			activity_location.county = {
				hunt_create_sighting_effect = {
					TYPE = legendary
					ANIMAL = scope:activity.var:animal_type
					OWNER = scope:host
				}
			}
		}
	}
}

As written in game/common/scripted_effects/00_hunt_effects.txt.