sound_foundations_random_removal_effect

sound_foundations_random_removal_effect = {
	if = {
		limit = {
			has_perk = sound_foundations_perk
		}
		every_child = {
			add_to_temporary_list = current_amount_of_children
		}

		if = {
			limit = {
				exists = var:current_sound_foundations_value
				save_temporary_scope_as = affected_parent
				var:current_sound_foundations_value <= sound_foundations_max
				var:current_sound_foundations_value > 0
				any_in_list = {
					list = current_amount_of_children
					count > scope:affected_parent.var:current_sound_foundations_value
					NOT = { has_character_flag = about_to_die_but_not_dead_yet_flag  } # Applied from on action death; called before imminent death
				}
			}

			random_list = {
				1 = {
					trigger = {
						has_character_modifier = sound_foundations_martial_gain
					}
					remove_character_modifier = sound_foundations_martial_gain
				}
				1 = {
					trigger = {
						has_character_modifier = sound_foundations_diplomacy_gain
					}
					remove_character_modifier = sound_foundations_diplomacy_gain
				}
				1 = {
					trigger = {
						has_character_modifier = sound_foundations_intrigue_gain
					}
					remove_character_modifier = sound_foundations_intrigue_gain
				}
				1 = {
					trigger = {
						has_character_modifier = sound_foundations_stewardship_gain
					}
					remove_character_modifier = sound_foundations_stewardship_gain
				}
				1 = {
					trigger = {
						has_character_modifier = sound_foundations_learning_gain
					}
					remove_character_modifier = sound_foundations_learning_gain
				}
			}

			change_variable = {
				name = current_sound_foundations_value
				subtract = 1
			}
		}
	}
}

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