pam_instant_negotiate_land_success_trigger

pam_instant_negotiate_land_success_trigger = {
	scope:recipient = {
		is_ai = yes
	}
	OR = {
		#They don't have the legitimacy or piety
		scope:recipient = {
			piety_level <= 0
			legitimacy_level <= 0
		}
		#You have the pope in your pocket
		trigger_if = {
			limit = {
				exists = scope:secondary_recipient
			}
			pam_negotiate_land_instant_pope_hook_trigger = yes
		}
		#You intimidate them militarily or through dread
		OR = {
			#Mostly milstrength
			AND = {
				#Milstrength 4x as high
				half_current_military_strength >= scope:recipient.twice_current_military_strength
				has_dread_level_towards = {
					target = scope:recipient
					level >= 1
				}
			}
			#Milstrength and intimidation
			AND = {
				#Milstrength twice as high
				current_military_strength >= scope:recipient.twice_current_military_strength
				has_dread_level_towards = {
					target = scope:recipient
					level >= 2
				}
			}
		}
	}
}

As written in game/common/scripted_triggers/pam_scripted_triggers.txt.