Invite to Court

base = -50
opinion_modifier = {
	trigger = {
		exists = liege
		is_courtier_of = liege
	}
	opinion_target = liege
	multiplier = -0.5
	step = 5
	max = 25
}
opinion_modifier = {
	opinion_target = scope:actor
	multiplier = 0.5
	step = 5
	max = 25
}
modifier = {
	scope:recipient = {
		has_variable = non_recruitable_var
	}
	scope:recipient.var:non_recruitable_var = scope:actor
	add = -200
	desc = AI_STOOGE
}
modifier = {
	is_knight = yes
	add = -20
	desc = AI_MY_LIEGES_KNIGHT
}
modifier = {
	is_commanding_army = yes
	add = -30
	desc = AI_MY_LIEGES_COMMANDER
}
modifier = {
	is_councillor = yes
	add = -40
	desc = AI_ON_THE_COUNCIL
}
modifier = {
	trigger = {
		scope:recipient = {
			has_court_position = court_physician_court_position
		}
	}
	add = -20
	desc = AI_COURT_PHYSICIAN
}
modifier = {
	has_relation_lover = scope:actor
	add = 100
	desc = AI_YOUR_LOVER
}
modifier = {
	has_relation_friend = scope:actor
	add = 75
	desc = AI_YOUR_FRIEND
}
modifier = {
	is_child_of = scope:actor
	add = 160
	desc = AI_YOUR_CHILD
}
modifier = {
	this.dynasty.dynast = scope:actor
	add = 30
	desc = AI_YOU_ARE_THE_DYNAST
}
modifier = {
	this.house.house_head = scope:actor
	add = 60
	desc = AI_YOU_ARE_THE_HOUSE_HEAD
}
modifier = {
	this.top_liege = scope:actor
	add = 60
	desc = AI_YOU_ARE_THE_SOVEREIGN
}
modifier = {
	NOT = {
		is_child_of = scope:actor
	}
	NOT = {
		is_close_family_of = scope:actor
	}
	is_extended_family_of = scope:actor
	add = 30
	desc = AI_YOUR_RELATIVE
}
modifier = {
	NOT = {
		is_child_of = scope:actor
	}
	is_close_family_of = scope:actor
	add = 75
	desc = AI_YOUR_RELATIVE
}
modifier = {
	is_spouse_of = scope:actor
	add = 160
	desc = AI_YOUR_SPOUSE
}
modifier = {
	exists = liege
	has_relation_lover = liege
	add = -100
	desc = AI_THEIR_LOVER
}
modifier = {
	exists = liege
	has_relation_friend = liege
	add = -75
	desc = AI_THEIR_FRIEND
}
modifier = {
	exists = liege
	is_child_of = liege
	add = -160
	desc = AI_THEIR_CHILD
}
modifier = {
	exists = liege
	NOT = {
		is_child_of = liege
	}
	is_close_family_of = liege
	add = -75
	desc = AI_THEIR_RELATIVE
}
modifier = {
	exists = location
	any_consort_not_in_traveling_family_trigger = yes
	desc = AI_LEAVING_MY_SPOUSE
	add = -100
}
modifier = {
	exists = location
	any_child_not_in_traveling_family_trigger = yes
	desc = AI_LEAVING_MY_CHILD
	add = -100
}
modifier = {
	add = -50
	desc = AI_MARRIED_MATRILINIALLY
	is_married = yes
	is_male = yes
	any_spouse = {
		matrilinear_marriage = yes
		host = scope:recipient.host
	}
}
modifier = {
	add = -50
	desc = AI_MARRIED_PATRILINIALLY
	is_married = yes
	is_female = yes
	any_spouse = {
		patrilinear_marriage = yes
		host = scope:recipient.host
	}
}
modifier = {
	add = -50
	desc = AI_INSPIRED
	inspiration ?= {
		NOT = {
			exists = inspiration_sponsor
		}
	}
}
modifier = {
	add = -500
	desc = AI_SPONSORED_INSPIRATION
	inspiration ?= {
		exists = inspiration_sponsor
	}
}
modifier = {
	add = -500
	desc = AI_WANDERLUST
	is_child_of = scope:actor
	has_character_modifier = lust_for_adventure
}
modifier = {
	add = -180
	desc = ELUDING_CASTRATOR
	is_adult = no
	any_memory = {
		memory_type = family_castration_fled_memory
		memory_participant:castrator ?= {
			this = scope:actor
		}
	}
}
modifier = {
	liege ?= {
		is_landed = yes
	}
	scope:actor = {
		is_landed = no
	}
	add = -50
	desc = AI_MY_LIEGE_IS_LANDED
}
modifier = {
	add = {
		value = 10
		add = scope:actor.diplomacy
		if = {
			limit = {
				faith = scope:actor.faith
			}
			add = 10
		}
		else_if = {
			limit = {
				faith = {
					religion = scope:actor.faith.religion
					faith_hostility_level = {
						target = scope:actor.faith
						value < 2
					}
				}
			}
			add = 5
		}
		if = {
			limit = {
				culture = scope:actor.culture
			}
			add = 10
		}
		else_if = {
			limit = {
				culture = {
					has_same_culture_heritage = scope:actor.culture
				}
			}
			add = 5
		}
		if = {
			limit = {
				OR = {
					has_trait = content
					has_trait = lazy
					has_trait = trusting
				}
			}
			add = 10
		}
	}
	desc = AI_CAN_BE_PERSUADED_TO_STAY
	is_pool_guest = no
	location.province_owner ?= {
		OR = {
			any_liege_or_above = {
				this = scope:actor
			}
			this = scope:actor
		}
	}
	NOR = {
		has_relation_rival = scope:actor
		exists = liege
		is_child_of = scope:actor
		has_character_modifier = lust_for_adventure
	}
}
modifier = {
	add = {
		value = 20
		if = {
			limit = {
				has_trait = greedy
			}
			multiply = 1.5
		}
		else_if = {
			limit = {
				has_trait = generous
			}
			multiply = 0.5
		}
	}
	scope:cover_travel_expenses = yes
	desc = AI_TRAVEL_EXPENSES
}
modifier = {
	add = {
		value = 10
		if = {
			limit = {
				scope:actor = {
					has_royal_court = yes
					has_dlc_feature = royal_court
					amenity_level = {
						target = court_lodging_standards
						value >= high_amenity_level
					}
				}
			}
			add = 10
		}
		if = {
			limit = {
				scope:actor = {
					amenity_level = {
						target = court_lodging_standards
						value >= very_high_amenity_level
					}
			
# … (cut here; the rest is in the file)

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