revocation_tyranny_effect

revocation_tyranny_effect = {
	save_scope_as = liege_temp_scope
	if = {
		limit = { exists = scope:use_strife_not_tyranny }
		# If you have revocation reason, we allow that.
		if = {
			limit = { has_revoke_title_reason = $VASSAL$ }
			consume_revoke_title_reason = $VASSAL$
		}
		else = { change_strife_opinion = major_strife_gain }
	}
	else_if = {
		limit = {
			title_revocation_is_tyrannical_trigger = { VASSAL = $VASSAL$ }
		}
		add_tyranny = revoke_title_tyranny_gain
		# Special Legitimacy loss if you're revoking without a reason
		if = {
			limit = {
				has_legitimacy = yes
				NOT = {
					scope:landed_title ?= {
						duchy = scope:liege_temp_scope.capital_county.duchy
					}
				}
			}
			add_legitimacy = medium_legitimacy_loss
		}

		#If my culture is different from the recipients
		if = {
			limit = {
				NOT = { culture = $VASSAL$.culture }
			}
			$VASSAL$.culture = {
				change_cultural_acceptance = {
					target = scope:liege_temp_scope.culture
					value = revoke_title_culture_acceptance_impact
					desc = cultural_acceptance_loss_revokation
				}
			}
		}
	}
	else = {
		if = {
			limit = {
				title_revocation_is_admin_governor_trigger = { VASSAL = $VASSAL$ }
			}
			custom_description = {
				text = IS_ALLOWED_TO_REVOKE_ADMIN_GOVERNMENT
				subject = scope:liege_temp_scope
				object = $VASSAL$
			}
		}
		else_if = {
			limit = {
				exists = scope:landed_title
				has_claim_on = scope:landed_title
			}
			custom_tooltip = IS_ALLOWED_TO_REVOKE_TITLE_FOR_CLAIM_DESC
		}
		else_if = {
			limit = {
				has_revoke_title_reason = scope:recipient
			}
			custom_tooltip = IS_ALLOWED_TO_REVOKE_TITLE_DESC
		}
		else_if = {
			limit = {
				rite = {
					OR = {
						rite_has_parameter = pluralism_righteous_revocation_tyranny_reduced
						rite_has_parameter = pluralism_fundamentalist_revocation_tyranny_minimal
					}
				}
				faith = {
					faith_hostility_level = {
						target = scope:recipient.faith
						value >= faith_hostile_level
					}
				}
			}
			if = {
				limit = {
					rite = { rite_has_parameter = pluralism_fundamentalist_revocation_tyranny_minimal }
					faith = {
						faith_hostility_level = {
							target = scope:recipient.faith
							value = faith_hostile_level
						}
					}
				}
				custom_tooltip = IS_ALLOWED_TO_REVOKE_HOSTILE_INFIDEL_TITLE
			}
			else = {
				custom_tooltip = IS_ALLOWED_TO_REVOKE_EVIL_INFIDEL_TITLE
			}
			every_vassal = {
				limit = {
					faith = scope:recipient.faith
				}
				custom = INFIDEL_REVOCATION_OPINION
				add_opinion = {
					modifier = angry_opinion
					target = scope:puppet_or_actor
					opinion = {
						value = revoke_title_tyranny_gain
						multiply = -1
					}
				}
			}
		}
	}
}

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