The SecurityDefinitionRequest (c) message is used for the following:
1. Request a specific security to be traded with the second party. The requested security can be defined as a multileg security made up of one or more instrument legs.
2. Request a set of individual securities for a single market segment.
3. Request all securities, independent of market segment.

Added in protocol FIX.4.2

See in: FIX.4.2, FIX.4.3, FIX.4.4, FIX.5.0, FIX.5.0SP1, FIX.5.0SP2.

Field or Component Name Description Is Required Added Is Deprecated
Block StandardHeader MsgType = c (lowercase) Y FIX.4.2
320 SecurityReqID Y FIX.4.2
321 SecurityRequestType Y FIX.4.2
1301 MarketID Identifies the market for which the security definition request is being made. FIX.5.0
1300 MarketSegmentID Identifies the segment of the market for which the security definition request is being made. FIX.5.0
Block Instrument FIX.4.3
Block InstrumentExtension FIX.4.4
Block FinancingDetails FIX.5.0SP2 (EP 201)
BlockRepeating UndInstrmtGrp FIX.4.4
BlockRepeating RelatedInstrumentGrp FIX.5.0SP2 (EP 195)
15 Currency FIX.4.2
376 ComplianceID FIX.5.0SP2 (EP 185)
2404 ComplianceText FIX.5.0SP2 (EP 185)
2351 EncodedComplianceTextLen Must be set if EncodedComplianceText (2352) field is specified and must immediately precede it. FIX.5.0SP2 (EP 185)
2352 EncodedComplianceText Encoded (non-ASCII characters) representation of the ComplianceText (2404) field in the encoded format specified via the MessageEncoding (347) field. FIX.5.0SP2 (EP 185)
58 Text FIX.4.2
354 EncodedTextLen Must be set if EncodedText (355) field is specified and must immediately precede it. FIX.4.2
355 EncodedText Encoded (non-ASCII characters) representation of the Text (58) field in the encoded format specified via the MessageEncoding (347) field. FIX.4.2
336 TradingSessionID Optional trading session identifier to specify a particular trading session for which you want to obtain a list of securities that are tradeable. FIX.4.2
625 TradingSessionSubID FIX.4.3
BlockRepeating Stipulations FIX.5.0
BlockRepeating InstrmtLegGrp FIX.4.4
Block SpreadOrBenchmarkCurveData FIX.5.0
Block YieldData FIX.5.0
827 ExpirationCycle FIX.4.4
263 SubscriptionRequestType Subscribe or unsubscribe for security status to security specified in request. FIX.4.3
Block StandardTrailer Y FIX.4.2