advanced_allowed_to_imprison_character_trigger

advanced_allowed_to_imprison_character_trigger = {
	save_temporary_scope_as = allowed_imprisoner
	$CHARACTER$ = {
		save_temporary_scope_as = allowed_prisoner
		is_imprisoned = no
		NOT = { is_at_war_with = scope:allowed_imprisoner }
		custom_description = {
			text = "character_interactions_imprison_recently_ransomed"
			object = scope:allowed_prisoner
			NOT = {
				has_opinion_modifier = {
					target = scope:allowed_imprisoner
					modifier = ransomed_from_prison
				}
			}
		}
		NOT = { has_strong_hook = scope:allowed_imprisoner }
		custom_tooltip = {
			text = hostage_travelling_tt
			NOT = { exists = var:hostage_travelling_to_warden }
		}
		trigger_if = {
			limit = {
				has_government = landless_adventurer_government
				is_ruler = yes
			}
			scope:allowed_imprisoner = { is_landed = yes }
			reverse_has_opinion_modifier = {
				target = scope:allowed_imprisoner
				modifier = eviction_ignored_opinion
			}
			domicile.domicile_location.county ?= { target_is_de_facto_liege_or_above = scope:allowed_imprisoner.primary_title }
		}
	}
	scope:allowed_imprisoner = {
		custom_description = {
			text = "character_interactions_imprison_ally_without_reason"
			object = scope:allowed_prisoner
			OR = {
				NOT = { is_allied_to = scope:allowed_prisoner }
				has_imprisonment_reason = scope:allowed_prisoner
				is_spouse_of = scope:allowed_prisoner
			}
		}
	}
}

As written in game/common/scripted_triggers/00_scripted_triggers.txt.