Request Military Aid

is_available = government_allows = merit
trigger_if = {
	limit = {
		is_ai = yes
	}
	is_at_war = yes
}
OR = {
	is_governor = yes
	has_title = title:e_minister_grand_marshal
}
top_liege != this
government_has_mechanic = administrative
is_shown = scope:recipient = {
	government_has_mechanic = administrative
	OR = {
		this = scope:actor.top_liege
		AND = {
			has_title = title:e_minister_of_war
			liege ?= {
				tgp_has_access_to_ministry_trigger = yes
				this = scope:actor.top_liege
			}
		}
	}
}

As written in game/common/character_interactions/10_tgp_interactions.txt.

custom_tooltip = {
	text = celestial_request_military_aid_no_military_governors_desc
	scope:recipient.top_liege = {
		any_vassal_or_below = {
			OR = {
				vassal_contract_has_flag = celestial_military_appointment
				vassal_contract_has_flag = meritocratic_military_appointment
			}
		}
	}
}
custom_tooltip = {
	text = celestial_request_military_aid_no_available_military_governors_desc
	scope:recipient.top_liege = {
		any_vassal_or_below = {
			tgp_celestial_military_governor_can_join_war_trigger = {
				TARGET_GOVERNOR = scope:actor
				MINISTER_OF_WAR = scope:recipient
			}
		}
	}
}
scope:actor = {
	is_at_war = yes
	is_at_war_with_liege = no
	NOR = {
		is_at_war_with = scope:recipient
		custom_tooltip = {
			text = petition_liege_vassal_war_tt
			any_war_enemy = {
				top_liege = scope:actor.top_liege
			}
		}
	}
	trigger_if = {
		limit = {
			is_at_war = yes
		}
		custom_description = {
			text = target_is_not_war_leader
			object = scope:actor
			any_character_war = {
				scope:actor = {
					is_leader_in_war = prev
				}
			}
		}
	}
}
trigger_if = {
	limit = {
		scope:actor = {
			is_ai = yes
		}
	}
	NOT = {
		scope:recipient = {
			has_variable = celestial_request_military_aid_cooldown
		}
	}
}

As written in game/common/character_interactions/10_tgp_interactions.txt.

on_send = 
on_accept = if = {
	limit = {
		scope:hook = yes
		scope:actor = {
			has_usable_hook = scope:recipient
		}
	}
	scope:actor = {
		use_hook = scope:recipient
	}
}
scope:actor = {
	if = {
		limit = {
			is_ai = yes
		}
		add_opinion = {
			target = scope:recipient
			modifier = grateful_opinion
			opinion = 10
		}
		if = {
			limit = {
				NOT = {
					has_variable = celestial_request_military_aid_cooldown
				}
			}
			set_variable = {
				name = celestial_request_military_aid_cooldown
				years = 1
			}
		}
	}
	if = {
		limit = {
			NOR = {
				scope:hook = yes
				scope:dominant_family = yes
			}
		}
		pay_short_term_treasury = {
			target = scope:recipient
			treasury = 50
		}
	}
	tgp_activate_catalyst_against_hegemon_effect = {
		HEGEMON = scope:recipient
		CATALYST = catalyst_hegemon_influenced_by_interaction
	}
}
scope:recipient.top_liege = {
	every_vassal = {
		limit = {
			tgp_celestial_military_governor_can_join_war_trigger = {
				TARGET_GOVERNOR = scope:actor
				MINISTER_OF_WAR = scope:recipient
			}
		}
		add_to_list = military_governors
	}
}
scope:actor = {
	every_character_war = {
		limit = {
			scope:actor = {
				is_leader_in_war = prev
			}
		}
		add_to_list = actor_ongoing_wars
	}
	ordered_in_list = {
		list = actor_ongoing_wars
		order_by = {
			value = 0
			if = {
				limit = {
					is_defender = scope:actor
				}
				every_war_attacker = {
					add = current_military_strength
				}
			}
			else_if = {
				limit = {
					is_attacker = scope:actor
				}
				every_war_defender = {
					add = current_military_strength
				}
			}
		}
		save_temporary_scope_value_as = {
			name = estimated_military_strength_needed
			value = {
				value = 0
				if = {
					limit = {
						is_defender = scope:actor
					}
					every_war_attacker = {
						add = current_military_strength
					}
				}
				else_if = {
					limit = {
						is_attacker = scope:actor
					}
					every_war_defender = {
						add = current_military_strength
					}
				}
			}
		}
	}
}
scope:actor = {
	random_character_war = {
		primary_defender = {
			save_scope_as = opponent
		}
	}
}
random_in_list = {
	list = military_governors
	weight = {
		base = 10
		modifier = {
			exists = scope:opponent.primary_title.title_province
			capital_county = {
				squared_distance = {
					target = scope:opponent.primary_title.title_province
					value < 10000
				}
			}
			add = 20
		}
		modifier = {
			exists = scope:opponent.primary_title.title_province
			capital_county = {
				squared_distance = {
					target = scope:opponent.primary_title.title_province
					value < 30000
				}
			}
			add = 10
		}
		modifier = {
			current_military_strength >= scope:estimated_military_strength_needed
			add = 20
		}
		modifier = {
			is_at_war = no
			add = 10
		}
		modifier = {
			is_ai = no
			add = 5
		}
	}
	save_scope_as = joining_governor
}
scope:recipient = {
	change_influence = major_influence_value
	if = {
		limit = {
			is_ai = yes
		}
		custom_tooltip = request_emperor_title_troops_approve_desc
	}
	trigger_event = {
		id = tgp_interaction_event.0010
		days = { 1 5 }
	}
}
on_decline = scope:actor = {
	if = {
		limit = {
			is_ai = yes
		}
		add_opinion = {
			target = scope:recipient
			modifier = disappointed_opinion
			opinion = -20
		}
		if = {
			limit = {
				NOT = {
					has_variable = celestial_request_military_aid_cooldown
				}
			}
			set_variable = {
				name = celestial_request_military_aid_cooldown
				years = 3
			}
		}
		else = {
			remove_variable = celestial_request_military_aid_cooldown
			set_variable = {
				name = celestial_request_military_aid_cooldown
				years = 3
			}
		}
	}
	hidden_effect = {
		send_interface_message = {
			type = msg_admin_provincial_army_request_denied
			title = msg_admin_provincial_army_request_denied.title
			desc = msg_admin_provincial_army_request_denied.desc
			left_icon = scope:recipient
			right_icon = scope:target
		}
	}
}
scope:recipient = {
	if = {
		limit = {
			is_ai = yes
		}
		custom_tooltip = request_emperor_title_troops_deny_desc
	}
	if = {
		limit = {
			scope:dominant_family = yes
		}
		change_influence = medium_influence_loss
	}
}

As written in game/common/character_interactions/10_tgp_interactions.txt.