GPTのActionsをどう書くか。

openapi: 3.0.0
info:
  title: Discord Webhook API
  version: 1.0.0
  description: API specification to interact with a Discord webhook.
servers:
  - url: https://discord.com/api
paths:
  /webhooks/{ここに、discordチャンネルのwebhook URLのwebhookds/以下の記載を入れる}:
    post:
      operationId: sendWebhookMessage
      summary: Send a message to the Discord webhook.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                content:
                  type: string
                  description: The message content.
                username:
                  type: string
                  description: Override the default username of the webhook.
                avatar_url:
                  type: string
                  format: uri
                  description: Override the default avatar of the webhook.
                tts:
                  type: boolean
                  description: True if this is a TTS message.
              required:
                - content
      responses:
        '204':
          description: Message sent successfully.
        '400':
          description: Bad request.
        '401':
          description: Unauthorized.
        '500':
          description: Server error.