This is the new *Amazon CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [Amazon CloudFormation User Guide](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::MediaLive::SignalMap
<a name="aws-resource-medialive-signalmap"></a>

<a name="aws-resource-medialive-signalmap-description"></a>The `AWS::MediaLive::SignalMap` resource Property description not available. for MediaLive.

## Syntax
<a name="aws-resource-medialive-signalmap-syntax"></a>

To declare this entity in your Amazon CloudFormation template, use the following syntax:

### JSON
<a name="aws-resource-medialive-signalmap-syntax.json"></a>

```
{
  "Type" : "AWS::MediaLive::SignalMap",
  "Properties" : {
      "[CloudWatchAlarmTemplateGroupIdentifiers](#cfn-medialive-signalmap-cloudwatchalarmtemplategroupidentifiers)" : [ String, ... ],
      "[Description](#cfn-medialive-signalmap-description)" : String,
      "[DiscoveryEntryPointArn](#cfn-medialive-signalmap-discoveryentrypointarn)" : String,
      "[EventBridgeRuleTemplateGroupIdentifiers](#cfn-medialive-signalmap-eventbridgeruletemplategroupidentifiers)" : [ String, ... ],
      "[ForceRediscovery](#cfn-medialive-signalmap-forcerediscovery)" : Boolean,
      "[Name](#cfn-medialive-signalmap-name)" : String,
      "[Tags](#cfn-medialive-signalmap-tags)" : {Key: Value, ...}
    }
}
```

### YAML
<a name="aws-resource-medialive-signalmap-syntax.yaml"></a>

```
Type: AWS::MediaLive::SignalMap
Properties:
  [CloudWatchAlarmTemplateGroupIdentifiers](#cfn-medialive-signalmap-cloudwatchalarmtemplategroupidentifiers): 
    - String
  [Description](#cfn-medialive-signalmap-description): String
  [DiscoveryEntryPointArn](#cfn-medialive-signalmap-discoveryentrypointarn): String
  [EventBridgeRuleTemplateGroupIdentifiers](#cfn-medialive-signalmap-eventbridgeruletemplategroupidentifiers): 
    - String
  [ForceRediscovery](#cfn-medialive-signalmap-forcerediscovery): Boolean
  [Name](#cfn-medialive-signalmap-name): String
  [Tags](#cfn-medialive-signalmap-tags): 
    Key: Value
```

## Properties
<a name="aws-resource-medialive-signalmap-properties"></a>

`CloudWatchAlarmTemplateGroupIdentifiers`  <a name="cfn-medialive-signalmap-cloudwatchalarmtemplategroupidentifiers"></a>
A cloudwatch alarm template group's identifier. Can be either be its id or current name.  
*Required*: No  
*Type*: Array of String  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Description`  <a name="cfn-medialive-signalmap-description"></a>
A resource's optional description.  
*Required*: No  
*Type*: String  
*Minimum*: `0`  
*Maximum*: `1024`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`DiscoveryEntryPointArn`  <a name="cfn-medialive-signalmap-discoveryentrypointarn"></a>
A top-level supported Amazon Web Services resource ARN to discover a signal map from.  
*Required*: Yes  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `2048`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`EventBridgeRuleTemplateGroupIdentifiers`  <a name="cfn-medialive-signalmap-eventbridgeruletemplategroupidentifiers"></a>
An eventbridge rule template group's identifier. Can be either be its id or current name.  
*Required*: No  
*Type*: Array of String  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`ForceRediscovery`  <a name="cfn-medialive-signalmap-forcerediscovery"></a>
If true, will force a rediscovery of a signal map if an unchanged discoveryEntryPointArn is provided.  
*Required*: No  
*Type*: Boolean  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Name`  <a name="cfn-medialive-signalmap-name"></a>
A resource's name. Names must be unique within the scope of a resource type in a specific region.  
*Required*: Yes  
*Type*: String  
*Pattern*: `^[^\s]+$`  
*Minimum*: `1`  
*Maximum*: `255`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Tags`  <a name="cfn-medialive-signalmap-tags"></a>
Property description not available.  
*Required*: No  
*Type*: Object of String  
*Pattern*: `.+`  
*Update requires*: [Replacement](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

## Return values
<a name="aws-resource-medialive-signalmap-return-values"></a>

### Ref
<a name="aws-resource-medialive-signalmap-return-values-ref"></a>

### Fn::GetAtt
<a name="aws-resource-medialive-signalmap-return-values-fn--getatt"></a>

#### 
<a name="aws-resource-medialive-signalmap-return-values-fn--getatt-fn--getatt"></a>

`Arn`  <a name="Arn-fn::getatt"></a>
A signal map's ARN (Amazon Resource Name)

`CloudWatchAlarmTemplateGroupIds`  <a name="CloudWatchAlarmTemplateGroupIds-fn::getatt"></a>
An alarm template group's id.

`CreatedAt`  <a name="CreatedAt-fn::getatt"></a>
The date and time of resource creation.

`ErrorMessage`  <a name="ErrorMessage-fn::getatt"></a>
Error message associated with a failed creation or failed update attempt of a signal map.

`EventBridgeRuleTemplateGroupIds`  <a name="EventBridgeRuleTemplateGroupIds-fn::getatt"></a>
An eventbridge rule template group's id.

`Id`  <a name="Id-fn::getatt"></a>
A signal map's id.

`Identifier`  <a name="Identifier-fn::getatt"></a>
Property description not available.

`LastDiscoveredAt`  <a name="LastDiscoveredAt-fn::getatt"></a>
The date and time of latest discovery.

`ModifiedAt`  <a name="ModifiedAt-fn::getatt"></a>
The date and time of latest resource modification.

`MonitorChangesPendingDeployment`  <a name="MonitorChangesPendingDeployment-fn::getatt"></a>
If true, there are pending monitor changes for this signal map that can be deployed.

`Status`  <a name="Status-fn::getatt"></a>
A signal map's current status, which is dependent on its lifecycle actions or associated jobs.