local_examination_gather_entrants_effect

local_examination_gather_entrants_effect = {
	scope:activity = {
		set_variable = {
			name = num_initial_entrants
			value = 0
		}
		every_attending_character = {
			limit = {
				is_landed = no
				tgp_gender_can_be_exam_entrant_trigger = yes
				trigger_if = {
					limit = {
						exists = primary_title
					}
					primary_title = {
						is_mercenary_company = no
						is_holy_order = no
					}
				}
				NOR = { 
					this = scope:host
					is_in_guest_subset = { name = imperial_examiners }
					# You have passed the any of the higher level exams
					has_character_flag = passed_metropolitan_exam
					# You have already passed the Provincial
					has_character_flag = passed_provincial_exam
					has_trait = devoted
					has_trait = eunuch
				}
				is_adult = yes
			}
			save_temporary_scope_as = temp_character
			scope:activity = {
				add_to_guest_subset = {
					name = entrants
					target = scope:temp_character
				}
			}
			set_variable = {
				name = imperial_examination_score
				value = imperial_examination_score_value
			}
			if = {
				limit = {
					is_ai = yes
				}
				set_activity_intent = local_exam_taker_intent
			}
		}
		#Run seperately to make sure we include characters added to the entrants subset through edge cases.
		every_guest_subset = {
			name = entrants
			scope:activity = {
				change_variable = {
					name = num_initial_entrants
					add = 1
				}
			}
		}
		#Set the base amount of failees we expect during the entire activity
		set_variable = {
			name = failee_quota
			value = imperial_examination_failee_quota_value
		}
		if = { limit = { exists = var:failee_quota } }
	}
}

As written in game/common/scripted_effects/tgp_imperial_examination_scripted_effects.txt.