# Facematch & Liveness

## Facematch

### The method use to start Facematch

```
accuraService.StartFaceMatch(accuraConfs, config, appOriantation, new AccuraScanResultCallBack());
```

### *Parameter:*

* *accuraConfs*: JSON Object
  * enableLogs: Boolean
  * with\_face: Boolean
  * face\_uri: URI
* *config*: JSON Object
  * feedbackTextSize: integer
  * feedBackframeMessage: String
  * feedBackAwayMessage: String
  * feedBackOpenEyesMessage: String
  * feedBackCloserMessage: String
  * feedBackCenterMessage: String
  * feedBackMultipleFaceMessage: String
  * feedBackHeadStraightMessage: String
  * feedBackBlurFaceMessage: String
  * feedBackGlareFaceMessage: String
  * setBlurPercentage: integer
  * setGlarePercentage\_0: integer
  * setGlarePercentage\_1: integer
* *Orientation*: String (Default portrait)

### ***Response:*** 

***Success***: JSON Response\
\&#xNAN;***Error***: String

#### Example Function:

```
public partial class MainPage : ContentPage
{
    public MainPage()
    {
        JObject accuraConfigObj = JObject.Parse(@"{
            'enableLogs' : false,
            'with_face' : true,
            'face_uri' : 'your face uri'
        }");
        JObject configObj = JObject.Parse(@"{
            'feedbackTextSize' : 18,
            'feedBackframeMessage' : 'Frame Your Face',
            'feedBackLowLightMessage' : 'Low light detected',
            'feedBackStartMessage' : 'Put your face inside the oval',
            'feedBackAwayMessage' : 'Move Phone Away',
            'feedBackOpenEyesMessage' : 'Keep Your Eyes Open',
            'feedBackCloserMessage' : 'Move Phone Closer',
            'feedBackCenterMessage' : 'Move Phone Center',
            'feedBackMultipleFaceMessage' : 'Multiple Face Detected',
            'feedBackHeadStraightMessage' : 'Keep Your Head Straight',
            'feedBackBlurFaceMessage' : 'Blur Detected Over Face',
            'feedBackGlareFaceMessage' : 'Glare Detected',
            'feedBackProcessingMessage' : 'Processing...',
            'setBlurPercentage' : 99,
            'setGlarePercentage_0' : -1,
            'setGlarePercentage_1' : -1,
            'isShowLogo' : true
        }");
        accuraService.StartFaceMatch(accuraConfigObj.ToString(), configObj.ToString(), appOriantation, new AccuraScanResultCallBack());
    }
}
public class AccuraScanResultCallBack : AccuraServiceCallBack {
    public void InvokeResult(string error, string result) {
        if (error != null) {
            // Error block.
        }
        else {
            // Result from the SDK
        }
    }
}
```

## Liveness

### The method use to start Liveness

```
accuraService.StartLiveness(accuraConfs, config, appOriantation, new AccuraScanResultCallBack());
```

### *Parameter:*

* *accuraConfs*: JSON Object
  * enableLogs: Boolean
  * with\_face: Boolean
  * face\_uri: URI
* *config*: JSON Object
  * feedbackTextSize: integer
  * feedBackframeMessage: String
  * feedBackAwayMessage: String
  * feedBackOpenEyesMessage: String
  * feedBackCloserMessage: String
  * feedBackCenterMessage: String
  * feedBackMultipleFaceMessage: String
  * feedBackHeadStraightMessage: String
  * feedBackBlurFaceMessage: String
  * feedBackGlareFaceMessage: String
  * setBlurPercentage: integer
  * setGlarePercentage\_0: integer
  * setGlarePercentage\_1: integer
  * isSaveImage: Boolean
  * liveness\_url: URL **(Require)**
  * contentType: String
  * feedBackLowLightMessage: String
  * feedbackLowLightTolerence: integer,
  * feedBackStartMessage: String
  * feedBackLookLeftMessage: String
  * feedBackLookRightMessage: String
  * feedBackOralInfoMessage: String
  * enableOralVerification: Boolean,
  * codeTextColor: String
* *Orientation*: String (Default portrait)

### ***Response:*** 

***Success***: JSON Response\
\&#xNAN;***Error***: String

#### Example Function:

```
public partial class MainPage : ContentPage
{
    public MainPage()
    {
        JObject accuraConfigObj = JObject.Parse(@"{
            'enableLogs' : false,
            'with_face' : false,
            'face_uri' : 'your face uri'}");
        JObject configObj = JObject.Parse(@"{
            'feedbackTextSize' : 18,
            'feedBackframeMessage' : 'Frame Your Face',
            'feedBackAwayMessage' : 'Move Phone Away',
            'feedBackOpenEyesMessage' : 'Keep Your Eyes Open',
            'feedBackCloserMessage' : 'Move Phone Closer',
            'feedBackCenterMessage' : 'Move Phone Center',
            'feedBackMultipleFaceMessage' : 'Multiple Face Detected',
            'feedBackHeadStraightMessage' : 'Keep Your Head Straight',
            'feedBackBlurFaceMessage' : 'Blur Detected Over Face',
            'feedBackGlareFaceMessage' : 'Glare Detected',
            'setBlurPercentage' : 99,
            'setGlarePercentage_0' : -1,
            'setGlarePercentage_1' : -1,
            'isSaveImage' : true,
            'liveness_url' : 'your liveness url',
            'contentType' : 'form_data',
            'feedBackLowLightMessage' : 'Low light detected',
            'feedbackLowLightTolerence' : 39,
            'feedBackStartMessage' : 'Put your face inside the oval',
            'feedBackLookLeftMessage' : 'Look over your left shoulder',
            'feedBackLookRightMessage' : 'Look over your right shoulder',
            'feedBackOralInfoMessage' : 'Say each digits out loud',
            'feedBackProcessingMessage' : 'Processing...',
            'enableOralVerification' : false,
            'codeTextColor' : 'white',
            'isShowLogo' : true
        }");
        accuraService.StartLiveness(accuraConfigObj.ToString(), configObj.ToString(), appOriantation, new AccuraScanResultCallBack());
    }
}
public class AccuraScanResultCallBack : AccuraServiceCallBack {
    public void InvokeResult(string error, string result) {
        if (error != null) {
            // Error block.
        }
        else {
            // Result from the SDK.
        }
    }
}
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.accurascan.com/language/xamarin/functions/facematch-and-liveness.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.