- session_id [xsd:string]
- Your API session id.
- list_member [vrtypens:ListMember]
- A ListMember object representing the member to edit. It must have its “list_id” attribute set, and the “member_data” dictionary must include the “hash” and “email_address” parameters.
- validate_postal_address [xsd:boolean]
- If this is set to true, included postal address fields will be evaluated for validity. If they fail, a fault is thrown.