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Add docs to stop watching configuration updates 

Signed-off-by: Nick Greenfield <nigreenf@microsoft.com>
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Nick Greenfield 2022-01-24 12:19:41 -08:00
parent 1607984b16
commit 486a5b66c6
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daprdocs/content/en/developing-applications/building-blocks/configuration/howto-manage-configuration.md
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@ -108,5 +108,23 @@ message SubscribeConfigurationRequest {
Using this method, you can subscribe to changes in specific keys for a given configuration store. gRPC streaming varies widely based on language - see the [gRPC examples here](https://grpc.io/docs/languages/) for usage.
### Stop watching configuration items
After you have subscribed to watch configuration items, the gRPC-server stream starts. This stream thread does not close itself, and you have to do by explicitly call the `UnSubscribeConfigurationRequest` API. This method accepts the following request object:
```proto
// UnSubscribeConfigurationRequest is the message to stop watching the key-value configuration.
message UnSubscribeConfigurationRequest {
// The name of configuration store.
string store_name = 1;
// Optional. The keys of the configuration item to stop watching.
// Store_name and keys should match previous SubscribeConfigurationRequest's keys and store_name.
// Once invoked, the subscription that is watching update for the key-value event is stopped
repeated string keys = 2;
}
```
Using this unsubscribe method, you can stop watching configuration update events. Dapr locates the subscription stream based on the `store_name` and any optional keys supplied and closes it.
## Next steps
* Read [configuration API overview]({{< ref configuration-api-overview.md >}})