set_favorite_toy_effect

set_favorite_toy_effect = {
	if = {
		limit = {
			NOT = { has_variable = child_toy_variable }
		}
		hidden_effect = {
			random_list = {
				10 = {
					modifier = {
						has_trait = rowdy
						factor = 5
					}
					set_variable = {
						name = child_toy_variable
						value = flag:wooden_knight
					}
				}
				10 = {
					set_variable = {
						name = child_toy_variable
						value = flag:toy_boat
					}
				}
				10 = {
					modifier = {
						has_trait = rowdy
						factor = 5
					}
					set_variable = {
						name = child_toy_variable
						value = flag:wooden_sword
					}
				}
				10 = {
					modifier = {
						has_trait = curious
						factor = 5
					}
					modifier = {
						has_trait = charming
						factor = 5
					}
					set_variable = {
						name = child_toy_variable
						value = flag:ragdoll
					}
				}
				10 = {
					modifier = {
						has_trait = pensive
						factor = 5
					}
					set_variable = {
						name = child_toy_variable
						value = flag:spinning_top
					}
				}
				10 = {
					set_variable = {
						name = child_toy_variable
						value = flag:rolling_hoop
					}
				}
				10 = {
					set_variable = {
						name = child_toy_variable
						value = flag:scopperel
					}
				}
				10 = {
					set_variable = {
						name = child_toy_variable
						value = flag:wooden_horse
					}
				}
				10 = {
					modifier = {
						has_trait = curious
						factor = 5
					}
					modifier = {
						has_trait = charming
						factor = 5
					}
					set_variable = {
						name = child_toy_variable
						value = flag:doll
					}
				}
				10 = {
					set_variable = {
						name = child_toy_variable
						value = flag:stick_horse
					}
				}
			}
		}
	}
}

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