# PreconditionFailureViolation


[API catalog](/reference/api/) · [Docker Sandboxes overview](/reference/api/sandboxes/latest/) · [Product manual](https://docs.docker.com/ai/sandboxes-api/) · [OpenAPI specification](/reference/api/sandboxes/api.yaml)

API version: v1


> This API is experimental. Features, interfaces,
> and behavior may change.




Schema constraints and annotations:

```json
{
  "description": "A message type used to describe a single precondition failure.",
  "properties": {
    "description": {
      "description": "A description of how the precondition failed. Developers can use this\ndescription to understand how to fix the failure.\n\nFor example: \"Terms of service not accepted\".",
      "type": "string"
    },
    "subject": {
      "description": "The subject, relative to the type, that failed.\nFor example, \"google.com/cloud\" relative to the \"TOS\" type would indicate\nwhich terms of service is being referenced.",
      "type": "string"
    },
    "type": {
      "description": "The type of PreconditionFailure. We recommend using a service-specific\nenum type to define the supported precondition violation subjects. For\nexample, \"TOS\" for \"Terms of Service violation\".",
      "type": "string"
    }
  },
  "title": "Violation",
  "type": "object"
}
```