discourse/spec/requests/api/schemas/json/user_silence_request.json

{
  "additionalProperties": false,
  "properties": {
    "silenced_till": {
      "type": "string",
      "example": "2022-06-01T08:00:00.000Z"
    },
    "reason": {
      "type": "string"
    },
    "message": {
      "type": "string",
      "description": "Will send an email with this message when present"
    },
    "post_action": {
      "type": "string",
      "example": "delete"
    }
  },
  "required": [
    "silenced_till",
    "reason"
  ]
}