---
title: "FIX 5.0 SP2 EP299: ApplicationMessageRequest <BW> message – FIX Dictionary – Onix Solutions"
description: "<meta name=\"description\" content=\"ApplicationMessageRequest&lt;BW&gt; message &ndash; FIX 5.0 SP2 EP299, FIX protocol version FIX 5.0 SP2 EP299\" /> <meta name=\"keywords\" content=\"message, ApplicationMessageRequest, MsgType=BW, FIX 5.0 SP2 EP299, FIX Protocol, FIX dictionary\" />"
---

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# ApplicationMessageRequest <BW> message

## FIX 5.0 SP2 EP299

### 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>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1355.html). 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>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1182.html) and [ApplEndSeqNum <1183>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1183.html) for a given [RefApplID <1355>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1355.html) to request messages for retransmission.

### Structure

| Tag | Field Name | Req'd | Comments |
| --- | --- | --- | --- |
| [Component Block - <StandardHeader>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_StandardHeader.html) | Y | [MsgType <35>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_35.html) = BW |  |
| 1346 | [ApplReqID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1346.html) | Y | Unique identifier for request |
| 1347 | [ApplReqType](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1347.html) | Y | Type of Application Message Request being made |
| [Component Block - <ApplIDRequestGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_ApplIDRequestGrp.html) | N |  |  |
| [Component Block - <Parties>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_Parties.html) | N |  |  |
| 58 | [Text](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_58.html) | N | Allows user to provide reason for request |
| 354 | [EncodedTextLen](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_354.html) | N |  |
| 355 | [EncodedText](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_355.html) | N |  |
| [Component Block - <StandardTrailer>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_StandardTrailer.html) | Y |  |  |

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