Merge pull request #3439 from hhunter-ms/issue_2766

[actor runtime config] Add note for timeouts and intervals format

daprdocs/content/en/developing-applications/building-blocks/actors/howto-actors-partitioning.md

@@ -8,7 +8,7 @@ aliases:
   - "/developing-applications/building-blocks/actors/actors-background"
 ---
 
-[Actor reminders]({{< ref "howto-actors-partitioning.md#actor-reminders" >}}) are persisted and continue to be triggered after sidecar restarts. Applications with multiple reminders registered can experience the following issues:
+[Actor reminders]({{< ref "actors-timers-reminders.md#actor-reminders" >}}) are persisted and continue to be triggered after sidecar restarts. Applications with multiple reminders registered can experience the following issues:
 
 - Low throughput on reminders registration and de-registration
 - Limited number of reminders registered based on the single record size limit on the state store

daprdocs/content/en/reference/api/actors_api.md

@@ -187,7 +187,7 @@ Creates a persistent reminder for an actor.
 POST/PUT http://localhost:<daprPort>/v1.0/actors/<actorType>/<actorId>/reminders/<name>
 ```
 
-#### Request Body
+#### Reminder request body
 
 A JSON object with the following fields:
 
@@ -351,7 +351,8 @@ Creates a timer for an actor.
 POST/PUT http://localhost:<daprPort>/v1.0/actors/<actorType>/<actorId>/timers/<name>
 ```
 
-Body:
+#### Timer request body:
+The format for the timer request body is the same as for [actor reminders]({{< ref "#reminder-request-body" >}}). For example:
 
 The following specifies a `dueTime` of 3 seconds and a period of 7 seconds.
 
@@ -484,6 +485,16 @@ Parameter | Description
 `maxStackDepth` | A value in the reentrancy configuration that controls how many reentrant calls be made to the same actor.
 `entitiesConfig` | Array of entity configurations that allow per actor type settings. Any configuration defined here must have an entity that maps back into the root level entities.
 
+
+{{% alert title="Note" color="primary" %}}
+Actor settings in configuration for timeouts and intervals use [time.ParseDuration](https://pkg.go.dev/time#ParseDuration) format. You can use string formats to represent durations. For example:
+- `1h30m` or `1.5h`: A duration of 1 hour and 30 minutes
+- `1d12h`: A duration of 1 day and 12 hours
+- `500ms`: A duration of 500 milliseconds
+- `-30m`: A negative duration of 30 minutes
+
+{{% /alert %}}
+
 ```json
 {
   "entities":["actorType1", "actorType2"],