Application Message Request (MsgType = BW, FIXML = ApplMsgReq)

This message is used to request a retransmission of a set of one or more messages generated by the application specified in RefApplID (1355) (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.

Tag	Field Name	FIXML	Req'd	Comments
<Standard Message Header>			Y	MsgType = BW
1346	ApplReqID	@ApplReqID	Y	Unique identifier for request.
1347	ApplReqType	@ApplReqTyp	Y	Type of Application Message Request being made.
<ApplIDRequestGrp>			N
<Parties>			N
58	Text	@Txt	N	Allows user to provide reason for request.
354	EncodedTextLen	@EncTxtLen	C	Must be set if EncodedText (355) field is specified and must immediately precede it.
355	EncodedText	@EncTxt	C	Encoded (non-ASCII characters) representation of the Text (58) field in the encoded format specified via the MessageEncoding (347) field.
<Standard Message Trailer>			Y

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