| Name | Type | Description | Notes |
|---|---|---|---|
| atId | String | Message identifier | [optional] |
| atType | String | Message type | [optional] [readonly] |
| comment | String | Human-readable comment | [optional] |
| credentialPreview | V20CredPreview | [optional] | |
| formats | List<V20CredFormat> | Acceptable credential formats | |
| offersTildeAttach | List<AttachDecorator> | Offer attachments | |
| replacementId | String | Issuer-unique identifier to coordinate credential replacement | [optional] |