a_nombre: advertiser name. Must comply with valid names' guidelines (See below).
a_url: URL. It must start with http:// and must be a valid URL.
sitipo_id: only if DSM service is active. Must specify the type of advertiser to create. See Appendix I for potential values.
Potential parameters:
a_observaciones: comments about the advertiser.
Response: It contains an object <operacion> that contains a tag <resultado>. The result could be either 1 (successful operation) or 0 (failed operation).
If the operation is unsuccessful, it adds a list of errors through tags <error>, containing the attribute that specifies the attribute's name with error, and message with the error message.