{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/test-plans/refs/heads/main/json-structure/test-plans-milestone-structure.json",
  "name": "TestMilestone",
  "description": "A key checkpoint in a test plan indicating when a specific testing phase or deliverable is expected to be completed.",
  "properties": {
    "id": {
      "description": "Unique identifier for the milestone.",
      "type": "string"
    },
    "name": {
      "description": "Name of the milestone (e.g., Test Completion, UAT Sign-off, Go/No-Go).",
      "type": "string"
    },
    "description": {
      "description": "Description of what completing this milestone signifies.",
      "type": "string"
    },
    "test_plan_id": {
      "description": "Identifier of the test plan this milestone belongs to.",
      "type": "string"
    },
    "due_date": {
      "description": "Target date for completing this milestone.",
      "type": "date"
    },
    "completed_date": {
      "description": "Actual date the milestone was completed.",
      "type": "date"
    },
    "status": {
      "enum": [
        "pending",
        "in-progress",
        "completed",
        "at-risk",
        "missed"
      ],
      "description": "Current status of the milestone.",
      "type": "string"
    },
    "criteria": {
      "items": {
        "type": "string"
      },
      "description": "List of criteria that must be met for this milestone to be considered complete.",
      "type": "array"
    },
    "owner": {
      "description": "Person responsible for this milestone.",
      "type": "string"
    }
  },
  "required": [
    "id",
    "name",
    "due_date",
    "status"
  ],
  "type": "object"
}