{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/Employee",
  "title": "Employee",
  "type": "object",
  "properties": {
    "id": {
      "type": "integer",
      "description": "Unique ID of the employee."
    },
    "first_name": {
      "type": "string",
      "description": "First name."
    },
    "last_name": {
      "type": "string",
      "description": "Last name."
    },
    "official_email": {
      "type": "string",
      "format": "email",
      "description": "Official work email address."
    },
    "personal_email": {
      "type": "string",
      "format": "email",
      "description": "Personal email address."
    },
    "employee_id": {
      "type": "string",
      "description": "Employee ID number."
    },
    "status": {
      "type": "string",
      "description": "Employment status (active, inactive)."
    },
    "designation": {
      "type": "string",
      "description": "Job designation or title."
    },
    "phone_number": {
      "type": "string",
      "description": "Phone number."
    },
    "date_of_birth": {
      "type": "string",
      "format": "date",
      "description": "Date of birth."
    },
    "joining_date": {
      "type": "string",
      "format": "date",
      "description": "Date of joining the organization."
    },
    "branch_id": {
      "type": "integer",
      "description": "ID of the branch."
    },
    "department_id": {
      "type": "integer",
      "description": "ID of the department."
    },
    "sub_department_id": {
      "type": "integer",
      "description": "ID of the sub-department."
    },
    "reporting_to_id": {
      "type": "integer",
      "description": "ID of the reporting manager."
    },
    "level_id": {
      "type": "integer",
      "description": "ID of the employee level."
    },
    "role_id": {
      "type": "integer",
      "description": "ID of the assigned role."
    },
    "gender": {
      "type": "string",
      "description": "Gender."
    },
    "address": {
      "type": "object",
      "description": "Address information.",
      "properties": {
        "street": {
          "type": "string",
          "description": "Street address."
        },
        "city": {
          "type": "string",
          "description": "City."
        },
        "state": {
          "type": "string",
          "description": "State or province."
        },
        "country": {
          "type": "string",
          "description": "Country."
        },
        "zip_code": {
          "type": "string",
          "description": "ZIP or postal code."
        }
      }
    },
    "custom_fields": {
      "type": "object",
      "additionalProperties": true,
      "description": "Custom field values."
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when created."
    },
    "updated_at": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when last updated."
    }
  }
}