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# AWS::Rekognition::StreamProcessor FaceSearchSettings
<a name="aws-properties-rekognition-streamprocessor-facesearchsettings"></a>

The input parameters used to recognize faces in a streaming video analyzed by a Amazon Rekognition stream processor. `FaceSearchSettings` is a request parameter for [CreateStreamProcessor](https://docs.amazonaws.cn/rekognition/latest/APIReference/API_CreateStreamProcessor). For more information, see [FaceSearchSettings](https://docs.amazonaws.cn/rekognition/latest/APIReference/API_FaceSearchSettings).

## Syntax
<a name="aws-properties-rekognition-streamprocessor-facesearchsettings-syntax"></a>

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

### JSON
<a name="aws-properties-rekognition-streamprocessor-facesearchsettings-syntax.json"></a>

```
{
  "[CollectionId](#cfn-rekognition-streamprocessor-facesearchsettings-collectionid)" : String,
  "[FaceMatchThreshold](#cfn-rekognition-streamprocessor-facesearchsettings-facematchthreshold)" : Number
}
```

### YAML
<a name="aws-properties-rekognition-streamprocessor-facesearchsettings-syntax.yaml"></a>

```
  [CollectionId](#cfn-rekognition-streamprocessor-facesearchsettings-collectionid): String
  [FaceMatchThreshold](#cfn-rekognition-streamprocessor-facesearchsettings-facematchthreshold): Number
```

## Properties
<a name="aws-properties-rekognition-streamprocessor-facesearchsettings-properties"></a>

`CollectionId`  <a name="cfn-rekognition-streamprocessor-facesearchsettings-collectionid"></a>
The ID of a collection that contains faces that you want to search for.  
*Required*: Yes  
*Type*: String  
*Pattern*: `\A[a-zA-Z0-9_\.\-]+$`  
*Maximum*: `255`  
*Update requires*: [Replacement](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`FaceMatchThreshold`  <a name="cfn-rekognition-streamprocessor-facesearchsettings-facematchthreshold"></a>
Minimum face match confidence score that must be met to return a result for a recognized face. The default is 80. 0 is the lowest confidence. 100 is the highest confidence. Values between 0 and 100 are accepted, and values lower than 80 are set to 80.  
*Required*: No  
*Type*: Number  
*Minimum*: `0`  
*Maximum*: `100`  
*Update requires*: [Replacement](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)