##### Google Cloud Platform

https://console.cloud.google.com

##### OAuth2 相關資料

https://developers.google.com/identity/protocols/OAuth2

##### OAuth2 Service Account 相關資料

https://developers.google.com/identity/protocols/OAuth2ServiceAccount

##### OAuth2 的可用 Scopes

https://developers.google.com/identity/protocols/googlescopes

##### 您的戶口 API 存取權限管理

https://myaccount.google.com/u/0/permissions?pli=1

##### Google Admin SDK Directory API 參考

https://developers.google.com/admin-sdk/directory/v1/reference

##### Perform G Suite Domain-Wide Delegation of Authority

https://developers.google.com/admin-sdk/directory/v1/guides/delegation

##### Google Calendar API

https://developers.google.com/calendar/v3/reference