•Allows building event based architectures
•Publishes events to interested parties
•No queue / no order
•Strong integration with many Azure services
•Cost effective, simple pricing

•SLA:99.99%
•Max event size:1MB
•Performance:

1. 10,000,000 events / sec
2. 5,000 events / sec / topic
   •Latency:Subsecond end to end latency in the 99 th percentile
   No tiers, HA is built in

Event Grid定價依據則是依照操作次數
每月前100000次操作免費

在此搜尋資源關鍵字
選擇Event Grid System Topics

這邊我們要來創建一個Topic(這個主題可以是自訂的也可系統內建的)

建立事件方格系統主題
這邊我挑跟Storage Account一樣的resource group

在此我希望當有新生成的訂單存放進Storage Account時候，會發布一個Event，
我們會有一個Function去監聽此事件並處理相關流程。