| SecurityResponseTypeCodeSet | int | Type of Security Definition message response.
| 1 | = | Accept security proposal as-is | Added FIX.4.2
| | [AcceptAsIs] | | 2 | = | Accept security proposal with revisions as indicated in the message | Added FIX.4.2
| | [AcceptWithRevisions] | | 5 | = | Reject security proposal | Added FIX.4.2
| | [RejectSecurityProposal] | | 6 | = | Cannot match selection criteria | Added FIX.4.2
| | [CannotMatchSelectionCriteria] |
| Added FIX.4.2
|