[@azure/eventgrid-system-events] Update System events for Version 1.0…

….0-beta.4 (#31188)

### Packages impacted by this PR

@azure/eventgrid-system-events

### Issues associated with this PR

NA

### Describe the problem that is addressed by this PR

- A new property `tierToColdSummary` is added to the
`StorageLifecyclePolicyCompletedEventData` interface.

### What are the possible designs available to address the problem? If
there are more than one possible design, why was the one in this PR
chosen?

There are no specific/complex design scenarios for this task.

### Are there test cases added in this PR? _(If not, why?)_

No. This item is standard and we need not add test cases for every new
events. The existing cases would be sufficient.

### Provide a list of related PRs _(if any)_

#29688
#30627

### Command used to generate this PR:**_(Applicable only to SDK release
request PRs)_

`npx tsp compile client.tsp`

### Checklists
- [X] Added impacted package name to the issue description
- [ ] Does this PR needs any fixes in the SDK Generator?** _(If so,
create an Issue in the
[Autorest/typescript](https://github.com/Azure/autorest.typescript)
repository and link it here)_
- [X] Added a changelog (if necessary)

sdk/eventgrid/eventgrid-system-events/CHANGELOG.md

@@ -1,5 +1,11 @@
 # Release History
 
+## 1.0.0-beta.4 (2024-09-23)
+
+### Other Changes
+
+- A new property `tierToColdSummary` is added to the `StorageLifecyclePolicyCompletedEventData` interface.
+
 ## 1.0.0-beta.3 (2024-08-20)
 
 ### Other Changes

sdk/eventgrid/eventgrid-system-events/package.json

@@ -3,7 +3,7 @@
   "sdk-type": "client",
   "author": "Microsoft Corporation",
   "description": "An isomorphic client library for the Azure Event Grid service.",
-  "version": "1.0.0-beta.3",
+  "version": "1.0.0-beta.4",
   "keywords": [
     "node",
     "azure",

sdk/eventgrid/eventgrid-system-events/review/eventgrid-system-events.api.md

@@ -2548,6 +2548,7 @@ export interface StorageLifecyclePolicyCompletedEventData {
     deleteSummary: StorageLifecyclePolicyActionSummaryDetail;
     scheduleTime?: string;
     tierToArchiveSummary: StorageLifecyclePolicyActionSummaryDetail;
+    tierToColdSummary: StorageLifecyclePolicyActionSummaryDetail;
     tierToCoolSummary: StorageLifecyclePolicyActionSummaryDetail;
 }
 

sdk/eventgrid/eventgrid-system-events/src/cadl-generated/models/models.ts

@@ -3781,6 +3781,8 @@ export interface StorageLifecyclePolicyCompletedEventData {
   tierToCoolSummary: StorageLifecyclePolicyActionSummaryDetail;
   /** Execution statistics of a specific policy action in a Blob Management cycle. */
   tierToArchiveSummary: StorageLifecyclePolicyActionSummaryDetail;
+  /** Execution statistics of a specific policy action in a Blob Management cycle. */
+  tierToColdSummary: StorageLifecyclePolicyActionSummaryDetail;
 }
 
 /** Execution statistics of a specific policy action in a Blob Management cycle. */