Description
This message is used to request a retransmission of a set of one or more messages generated by the application specified in RefApplID <1355>. The message can be used for five types of transmission requests:
- 0 - retransmission of application messages for a specified application and sequence number range,
- 1 - subscription to an application in order receive, for example, drop copy services,
- 2 - request for the last application sequence number sent by an application,
- 3 - request the valid set of application identifiers for which a user is authorized,
- 4 - unsubscribe to one or more of applications
The Request message specifies the sequence number range using ApplBegSeqNum <1182> and ApplEndSeqNum <1183> for a given RefApplID <1355> to request messages for retransmission.
Structure
| Tag | Field Name | Req'd | Comments | |
|---|---|---|---|---|
| Component Block - <StandardHeader> | Y | MsgType = BW | ||
| 1346 | ApplReqID | Y | Unique identifier for request | |
| 1347 | ApplReqType | Y | Type of Application Message Request being made | |
| Component Block - <ApplIDRequestGrp> | N | |||
| Component Block - <Parties> | N | |||
| 58 | Text | N | Allows user to provide reason for request | |
| 354 | EncodedTextLen | N | ||
| 355 | EncodedText | N | ||
| Component Block - <StandardTrailer> | Y | |||