lldap/app/queries/create_user_attribute.graphql

mutation CreateUserAttribute($name: String!, $attributeType: AttributeType!, $isList: Boolean!, $isVisible: Boolean!, $isEditable: Boolean!) {
    addUserAttribute(name: $name, attributeType: $attributeType, isList: $isList, isVisible: $isVisible, isEditable: $isEditable) {
        ok
    }
}