How can I update "Email_Opt_out" field of "Contact" object? I need to create or update a contact object using web service. The field name I am looking for should be "HasOptedOutOfEmail". But I cannot find this field in the web service object and wsdl file.
How can I update "Email_Opt_out" field of "Contact" object? I need to create or update a contact object using web service. The field name I am looking for should be "HasOptedOutOfEmail". But I cannot find this field in the web service object and wsdl file.
