---
title: "PolicyCoverageChangesFlatExtraPermanent"
url: "https://developers.zinnia.com/apis/policy-transactions-1-0-2/versions/d0006570-ab9d-464e-814f-d120ba425e84/schemas/PolicyCoverageChangesFlatExtraPermanent"
---

> Full API specification: https://developers.zinnia.com/apis/policy-transactions-1-0-2/versions/d0006570-ab9d-464e-814f-d120ba425e84.md

# PolicyCoverageChangesFlatExtraPermanent

Permanent flat extra premium

## OpenAPI definition

```yaml
openapi: 3.1.0
info:
  title: Zinnia Policy Transactions API.
  version: 1.0.9
servers:
  - url: https://dev.api.zinnia.io
    description: DEV Environment
  - url: https://qa.api.zinnia.io
    description: QA Environment
components:
  schemas:
    PolicyCoverageChangesFlatExtraPermanent:
      type: object
      description: Permanent flat extra premium
      properties:
        type:
          type: string
          enum:
            - PERMANENT
          description: Whether the flat extra premium is permanent or temporary
          example: PERMANENT
        amount:
          type: number
          format: double
          description: Flat extra premium amount
          example: 250000
        duration:
          type: integer
          description: Duration the flat extra applies for; not applicable for a permanent
            flat extra
          example: 5
        durationType:
          type: string
          enum:
            - YEARS
            - MONTHS
          description: Unit of measure for the duration
          example: YEARS
      required:
        - type
        - amount
```