# Get service quality information

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> The code on this page works with either the **default UI** or the **custom UI**.

Use service quality callbacks to get insight on video, audio, and screen sharing quality during a session and notify users of unstable network conditions.

## See video quality

The `ZoomSDKMeetingService` interface provides a method `getConnectionQuality()` to the `ZoomSDKConnectionQuality` object, which provides both sent and received video network quality data for the local user. The callback `onSinkMeetingVideoQualityChanged()` under `ZoomSDKMeetingActionControllerDelegate` is also available to retrieve the video quality data for all users. You can also get statistics information by calling the `getStatisticsSetting` under `ZoomSDKSettingService`. See the code snippet and SDK reference for details.

To receive this data, there must be at least two users sending or transmitting video to the session.

```swift
// Get video (ConnectionComponent_Video) network quality for local user
// The withDataFlow parameter of TRUE indicates send data and FALSE indicates receive data.
ZoomSDK.shared().getMeetingService()?.getConnectionQuality(ConnectionComponent_Video, sending: true)
ZoomSDK.shared().getMeetingService()?.getConnectionQuality(ConnectionComponent_Video, sending: false)

// Return result of queryNetworkQuality is the enum ZoomSDKConnectionQuality
typedef enum{
    ZoomSDKConnectionQuality_Unknown,
    ZoomSDKConnectionQuality_VeryBad,
    ZoomSDKConnectionQuality_Bad,
    ZoomSDKConnectionQuality_NotGood,
    ZoomSDKConnectionQuality_Normal,
    ZoomSDKConnectionQuality_Good,
    ZoomSDKConnectionQuality_Excellent
}ZoomSDKConnectionQuality;

// Callback for getting all users video quality.
func onUserVideoQualityChanged(_ quality: ZoomSDKVideoQuality, userID: UInt32) {

}

// Return result of onUserVideoQualityChanged is the enum ZoomSDKVideoQuality
typedef enum{
    /** Unknown video quality status. */
    ZoomSDKVideoQuality_Unknown,
    /** The video quality is poor. */
    ZoomSDKVideoQuality_Bad,
    /** The video quality is normal. */
    ZoomSDKVideoQuality_Normal,
    /** The video quality is good. */
    ZoomSDKVideoQuality_Good
}ZoomSDKVideoQuality;

// Get video statistic information such as latency, package loss and more here
ZoomSDK.shared().getSettingService()?.getStatisticsSetting()?.getVideoASStatisticsInfo(true)
```

```objectivec
// Get video (ConnectionComponent_Video) network quality for local user
// The withDataFlow parameter of TRUE indicates send data and FALSE indicates receive data.
[[[ZoomSDK sharedSDK] getMeetingService] getConnectionQuality:ConnectionComponent_Video Sending:TRUE];
[[[ZoomSDK sharedSDK] getMeetingService] getConnectionQuality:ConnectionComponent_Video Sending:FALSE];

// Return result of queryNetworkQuality is the enum ZoomSDKConnectionQuality
typedef enum{
    ZoomSDKConnectionQuality_Unknown,
    ZoomSDKConnectionQuality_VeryBad,
    ZoomSDKConnectionQuality_Bad,
    ZoomSDKConnectionQuality_NotGood,
    ZoomSDKConnectionQuality_Normal,
    ZoomSDKConnectionQuality_Good,
    ZoomSDKConnectionQuality_Excellent
}ZoomSDKConnectionQuality;

// Callback for getting all users video quality.
- (void)onUserVideoQualityChanged:(ZoomSDKVideoQuality)quality userID:(unsigned int)userID {

}

// Return result of onUserVideoQualityChanged is the enum ZoomSDKVideoQuality
typedef enum{
    /** Unknown video quality status. */
    ZoomSDKVideoQuality_Unknown,
    /** The video quality is poor. */
    ZoomSDKVideoQuality_Bad,
    /** The video quality is normal. */
    ZoomSDKVideoQuality_Normal,
    /** The video quality is good. */
    ZoomSDKVideoQuality_Good
}ZoomSDKVideoQuality;

// Get video statistic information such as latency, package loss and more here
[[[[ZoomSDK sharedSDK] getSettingService] getStatisticsSetting] getVideoASStatisticsInfo:TRUE];
```

## See audio quality

The `ZoomSDKMeetingService` interface provides a method `getConnectionQuality()` to the `ZoomSDKConnectionQuality` object, which provides both sent and received audio network quality data for the local user. You can also get statistics information by calling the `getStatisticsSetting` under `ZoomSDKSettingService`. See the code snippet and SDK reference for details.

To receive this data, there must be at least two users actively sending audio to the session.

```swift
// Get audio (ConnectionComponent_Audio) network quality for local user
// The withDataFlow parameter of TRUE indicates send data and FALSE indicates receive data.
[[[ZoomSDK sharedSDK] getMeetingService] getConnectionQuality:ConnectionComponent_Audio Sending:TRUE];
[[[ZoomSDK sharedSDK] getMeetingService] getConnectionQuality:ConnectionComponent_Audio Sending:FALSE];

// Return result of queryNetworkQuality is the enum ZoomSDKConnectionQuality
typedef enum{
    ZoomSDKConnectionQuality_Unknown,
    ZoomSDKConnectionQuality_VeryBad,
    ZoomSDKConnectionQuality_Bad,
    ZoomSDKConnectionQuality_NotGood,
    ZoomSDKConnectionQuality_Normal,
    ZoomSDKConnectionQuality_Good,
    ZoomSDKConnectionQuality_Excellent
}ZoomSDKConnectionQuality;

// Get audio statistic information such as latency, package loss and more here
[[[[ZoomSDK sharedSDK] getSettingService] getStatisticsSetting] getAudioStatisticsInfo];
```

```objectivec
// Get audio (ConnectionComponent_Audio) network quality for local user
// The withDataFlow parameter of TRUE indicates send data and FALSE indicates receive data.
[[[ZoomSDK sharedSDK] getMeetingService] getConnectionQuality:ConnectionComponent_Audio Sending:TRUE];
[[[ZoomSDK sharedSDK] getMeetingService] getConnectionQuality:ConnectionComponent_Audio Sending:FALSE];

// Return result of queryNetworkQuality is the enum ZoomSDKConnectionQuality
typedef enum{
    ZoomSDKConnectionQuality_Unknown,
    ZoomSDKConnectionQuality_VeryBad,
    ZoomSDKConnectionQuality_Bad,
    ZoomSDKConnectionQuality_NotGood,
    ZoomSDKConnectionQuality_Normal,
    ZoomSDKConnectionQuality_Good,
    ZoomSDKConnectionQuality_Excellent
}ZoomSDKConnectionQuality;

// Get audio statistic information such as latency, package loss and more here
[[[[ZoomSDK sharedSDK] getSettingService] getStatisticsSetting] getAudioStatisticsInfo];
```

## See screen sharing quality

The `ZoomSDKMeetingService` interface provides a method `getConnectionQuality()` to the `ZoomSDKConnectionQuality` object, which provides both sent and received share network quality data for the local user. You can also get statistics information by calling the `getStatisticsSetting` under `ZoomSDKSettingService`. See the code snippet and SDK reference for details.

To receive this data, there must be at least two users in the session, with at least one sharing their screen.

```swift
// Get share (ConnectionComponent_Share) network quality for local user
// The withDataFlow parameter of TRUE indicates send data and FALSE indicates receive data.
[[[ZoomSDK sharedSDK] getMeetingService] getConnectionQuality:ConnectionComponent_Video Sending:TRUE];
[[[ZoomSDK sharedSDK] getMeetingService] getConnectionQuality:ConnectionComponent_Video Sending:FALSE];

// Return result of queryNetworkQuality is the enum ZoomSDKConnectionQuality
typedef enum{
    ZoomSDKConnectionQuality_Unknown,
    ZoomSDKConnectionQuality_VeryBad,
    ZoomSDKConnectionQuality_Bad,
    ZoomSDKConnectionQuality_NotGood,
    ZoomSDKConnectionQuality_Normal,
    ZoomSDKConnectionQuality_Good,
    ZoomSDKConnectionQuality_Excellent
}ZoomSDKConnectionQuality;

// Get share statistic information such as latency, package loss and more here
[[[[ZoomSDK sharedSDK] getSettingService] getStatisticsSetting] getVideoASStatisticsInfo:FALSE];
```

```objectivec
// Get share (ConnectionComponent_Share) network quality for local user
// The withDataFlow parameter of TRUE indicates send data and FALSE indicates receive data.
[[[ZoomSDK sharedSDK] getMeetingService] getConnectionQuality:ConnectionComponent_Video Sending:TRUE];
[[[ZoomSDK sharedSDK] getMeetingService] getConnectionQuality:ConnectionComponent_Video Sending:FALSE];

// Return result of queryNetworkQuality is the enum ZoomSDKConnectionQuality
typedef enum{
    ZoomSDKConnectionQuality_Unknown,
    ZoomSDKConnectionQuality_VeryBad,
    ZoomSDKConnectionQuality_Bad,
    ZoomSDKConnectionQuality_NotGood,
    ZoomSDKConnectionQuality_Normal,
    ZoomSDKConnectionQuality_Good,
    ZoomSDKConnectionQuality_Excellent
}ZoomSDKConnectionQuality;

// Get share statistic information such as latency, package loss and more here
[[[[ZoomSDK sharedSDK] getSettingService] getStatisticsSetting] getVideoASStatisticsInfo:FALSE];
```

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