API reference · schema

Change

11 fields · used by 0 operations

Last reviewed 2026-10-02

Fields

Field	Type	Meaning
`change_id` required	string
`ctype`	string or null
`artifact`	string or null
`proposer`	string or null
`description`	string	default `""`
`stage`	string or null
`evidence`	string or null
`passed`	boolean	default `true`
`approver`	string or null
`signature`	string or null
`observed_artifact`	string or null

Smallest valid example

{
  "change_id": "change-id",
  "description": "",
  "passed": true
}

JSON Schema

Show the raw definition

{
  "properties": {
    "change_id": {
      "type": "string",
      "title": "Change Id"
    },
    "ctype": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Ctype"
    },
    "artifact": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Artifact"
    },
    "proposer": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Proposer"
    },
    "description": {
      "type": "string",
      "title": "Description",
      "default": ""
    },
    "stage": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Stage"
    },
    "evidence": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Evidence"
    },
    "passed": {
      "type": "boolean",
      "title": "Passed",
      "default": true
    },
    "approver": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Approver"
    },
    "signature": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Signature"
    },
    "observed_artifact": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Observed Artifact"
    }
  },
  "type": "object",
  "required": [
    "change_id"
  ],
  "title": "Change"
}

Try CAIN-42 on your own agents

Create a free account and every new account starts with a 7-day trial of the full platform. Or try the sandbox first, with no account at all.

Create a free account → · Try the sandbox · See the whole ecosystem