Input component behaviour is controlled by transport parameters. Component-specific; configured on the token, not sent in xmldata. Each input's table is on the component page.
0 values need not be set. PARAMETER 2 = document type.xd_confirm, xd_update, xd_autocustomer, xd_stock, xd_object, xd_salesman.ALT.FROM) are a separate topic – shown per field in the component page Description column; setup: Mandatory fields.