Gmail to PDF

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Gmail to PDF",
  "description": "Convert Gmail text to pdf.",
  "version": "0.1",
  "manifest_version": 3,
  "oauthScopes": [
    "https://www.googleapis.com/auth/gmail.addons.execute",
    "https://www.googleapis.com/auth/gmail.readonly",
    "https://www.googleapis.com/auth/gmail.modify",
    "https://mail.google.com/",
    "https://www.googleapis.com/auth/drive",
    "https://www.googleapis.com/auth/script.external_request",
    "https://www.googleapis.com/auth/userinfo.email"
  ],
  "gmail": {
    "logoUrl": "https://img.icons8.com/ios/38/link--v1.png",
    "contextualTriggers": [
      {
        "unconditional": {},
        "onTriggerFunction": "buildAddOn"
      }
    ],
    "openLinkUrlPrefixes": [
      "https://mail.google.com/"
    ],
    "primaryColor": "#f5f5f5",
    "secondaryColor": "#4285F4",
    "version": "TRUSTED_TESTER_V1"
  },
  "runtimeVersion": "V8",
  "exceptionLogging": "NONE",
  "dependencies": {
    "enabledAdvancedServices": [
      {
        "userSymbol": "Drive",
        "version": "v2",
        "serviceId": "drive"
      }
    ]
  },
  "timeZone": "Asia/Tokyo"
}