Request Message Structure

Field Name

Type

Description

Version

int

2 (Version number of the message structure).

RequestId

DWORD

Request identifier specified by the client to identify the response. The server must send it back in the response.

ClientName

string

Name of the client

Respond

bool

False Server must not send a response back to the client.

True Server must send a response to the client.

InitiatorEvent

string

String of the notification Event-ID. Often same as SOAPAction.

SOAPAction

string

SOAP Action name

TransportInfoSize

DWORD

Size in bytes of the transport information data block

TransportInfoData

BYTE[]

Transport information data. This is an XML document that encodes transport specific information. For example, for HTTP it contains the verb as well as the HTTP header fields. The default character set is UTF-8, but the data block may contain an XML declaration with the appropriate encoding attribute.

This field may be omitted (Size = 0). See SOAP ISAPI Filter Schema for schema details.

PayloadSize

DWORD

Size in bytes of the SOAP payload data block

PayloadData

BYTE[]

This is the data of the SOAP envelope. The default character set is UTF-8, but the data block may contain XML declaration with the appropriate encoding attribute.