Retract Vassal

base = 0
legalism_lawful_authority_acceptance_modifier = {
	ACTOR = scope:puppet_or_actor
}
modifier = {
	has_game_rule = hard_difficulty
	scope:actor = {
		is_ai = no
	}
	add = -50
	desc = FACTION_REASON_DIFFICULTY_HARD
}
modifier = {
	has_game_rule = very_hard_difficulty
	scope:actor = {
		is_ai = no
	}
	add = -100
	desc = FACTION_REASON_DIFFICULTY_VERY_HARD
}
modifier = {
	has_game_rule = hard_difficulty
	scope:actor = {
		is_ai = yes
	}
	add = 50
}
modifier = {
	has_game_rule = very_hard_difficulty
	scope:actor = {
		is_ai = yes
	}
	add = 100
}
modifier = {
	scope:hook = yes
	add = 40
	desc = SCHEME_WEAK_HOOK_USED
}
opinion_modifier = {
	who = scope:recipient
	opinion_target = scope:puppet_or_actor
	multiplier = 1.0
	desc = AI_OPINION_REASON
}
modifier = {
	add = 25
	scope:puppet_or_actor = {
		has_realm_law_flag = vassal_refusal_is_treason
	}
	desc = AI_REFUSAL_IS_TREASON
}
modifier = {
	add = 20
	scope:recipient = {
		has_trait = trusting
	}
	desc = TAKE_THE_VOWS_TRUSTING
}
modifier = {
	add = 20
	scope:recipient = {
		has_trait = content
	}
	desc = INTERACTION_CONTENT
}
modifier = {
	add = 20
	scope:puppet_or_actor.current_military_strength > scope:recipient.current_military_strength
	scope:recipient = {
		has_trait = craven
	}
	desc = INTERACTION_CRAVEN
}
ai_value_modifier = {
	who = scope:recipient
	ai_greed = {
		if = {
			limit = {
				scope:recipient = {
					NOT = {
						ai_greed = 0
					}
				}
			}
			value = -0.25
		}
	}
	ai_honor = {
		if = {
			limit = {
				scope:recipient = {
					ai_honor > 0
				}
				scope:puppet_or_actor = {
					has_realm_law_flag = vassal_refusal_is_treason
				}
			}
			value = 0.75
		}
	}
}
modifier = {
	exists = scope:puppet_or_actor.primary_title.title_capital_county
	scope:secondary_recipient = {
		OR = {
			any_sub_realm_county = {
				this = scope:puppet_or_actor.primary_title.title_capital_county
			}
			any_sub_realm_duchy = {
				this = scope:puppet_or_actor.primary_title.title_capital_county.de_jure_liege
			}
		}
	}
	add = 50
	desc = AI_VASSAL_HOLDS_REALM_CAPITAL
}
modifier = {
	exists = scope:puppet_or_actor.primary_title.title_capital_county
	scope:secondary_recipient = {
		NOR = {
			any_sub_realm_county = {
				this = scope:puppet_or_actor.primary_title.title_capital_county
			}
			any_sub_realm_duchy = {
				this = scope:puppet_or_actor.primary_title.title_capital_county.de_jure_liege
			}
		}
		primary_title.tier = tier_county
		any_sub_realm_county = {
			de_jure_liege = scope:puppet_or_actor.primary_title.title_capital_county.de_jure_liege
		}
	}
	add = 30
	desc = AI_VASSAL_IS_IN_CAPITAL_DUCHY
}
modifier = {
	add = 25
	NOT = {
		scope:recipient = {
			any_held_title = {
				is_de_jure_liege_or_above_target = scope:secondary_recipient.primary_title
			}
		}
	}
	desc = AI_REFUSAL_IS_NOT_DE_JURE_LIEGE
}
modifier = {
	add = 15
	scope:puppet_or_actor = {
		any_held_title = {
			this = scope:secondary_recipient.primary_title.de_jure_liege
		}
	}
	desc = AI_REFUSAL_IS_DE_JURE_LIEGE
}
modifier = {
	add = intimidated_halved_reason_value
	scope:recipient = {
		has_dread_level_towards = {
			target = scope:puppet_or_actor
			level = 1
		}
	}
	desc = INTIMIDATED_REASON
}
modifier = {
	add = cowed_halved_reason_value
	scope:recipient = {
		has_dread_level_towards = {
			target = scope:puppet_or_actor
			level = 2
		}
	}
	desc = COWED_REASON
}
modifier = {
	desc = offer_vassalization_interaction_aibehavior_power_tt
	add = {
		value = 1
		subtract = {
			value = scope:recipient.current_military_strength
			divide = {
				value = scope:puppet_or_actor.current_military_strength
				min = 1
			}
		}
		multiply = 100
	}
}
modifier = {
	desc = AI_REFUSAL_SPLITTING_SAME_FAITH_VASSALS
	trigger = {
		scope:puppet_or_actor.faith = scope:secondary_recipient.faith
		scope:puppet_or_actor = {
			NOR = {
				faith = scope:recipient.faith
				rite = {
					rite_has_doctrine = doctrine_pluralism_pluralistic
				}
			}
		}
	}
	add = {
		value = -25
		if = {
			limit = {
				scope:puppet_or_actor.faith = {
					faith_hostility_level = {
						target = scope:recipient.faith
						value >= faith_hostile_level
					}
				}
			}
			add = -10
		}
		if = {
			limit = {
				scope:puppet_or_actor.faith = {
					faith_hostility_level = {
						target = scope:recipient.faith
						value >= faith_evil_level
					}
				}
			}
			add = -25
		}
	}
}
modifier = {
	scope:puppet_or_actor = {
		is_ai = yes
		OR = {
			has_trait = greatest_of_khans
			has_character_modifier = the_great_khan_modifier
		}
	}
	scope:recipient = {
		is_ai = yes
	}
	add = 500
}
modifier = {
	add = -25
	scope:recipient = {
		culture = {
			has_cultural_parameter = vassals_more_likely_to_refuse_demands
		}
	}
	desc = VASSALS_REFUSAL_indomitable_azatani
}

As written in game/common/character_interactions/00_vassal_interactions.txt.