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# Macros Supported by Media Server Data Types

The following sections list the macros supported by Media Server data types.

## AudioData

    %record.AudioData.sampleRate%
    %record.AudioData.channels%

## FaceData

    %record.FaceData.region.left%
    %record.FaceData.region.top%
    %record.FaceData.region.width%
    %record.FaceData.region.height%
    %record.FaceData.outofplaneanglex%
    %record.FaceData.outofplaneangley%
    %record.FaceData.ellipse.center.x%
    %record.FaceData.ellipse.center.y%
    %record.FaceData.ellipse.a%
    %record.FaceData.ellipse.b%
    %record.FaceData.ellipse.angle%
    %record.FaceData.lefteye.center.x%
    %record.FaceData.lefteye.center.y%
    %record.FaceData.lefteye.radius%
    %record.FaceData.righteye.center.x%
    %record.FaceData.righteye.center.y%
    %record.FaceData.righteye.radius%

## IdentityData

    %record.IdentityData.confidence%
    %record.IdentityData.identifier%
    %record.IdentityData.database%
    %record.IdentityData.metadata.key%

where `key` is the key for a metadata key-value pair in the database.

## ImageData

    %record.ImageData.width%
    %record.ImageData.height%
    %record.ImageData.pixelAspectRatio%

## RectangleData

    %record.RectangleData.left%
    %record.RectangleData.top%
    %record.RectangleData.width%
    %record.RectangleData.height%

Rectangles are a type of `RegionData`, so you can also use:

    %record.RegionData.left%
    %record.RegionData.top%
    %record.RegionData.width%
    %record.RegionData.height%

## PointData

    %record.PointData.x%
    %record.PointData.y%

## PolygonData

    %record.PolygonData.polygon%
    %record.PolygonData.left%
    %record.PolygonData.top%
    %record.PolygonData.width%
    %record.PolygonData.height%

Polygons are a type of `RegionData`, so you can also use:

    %record.RegionData.left%
    %record.RegionData.top%
    %record.RegionData.width%
    %record.RegionData.height%

## ProxyData

    %record.ProxyData.path%
    %record.ProxyData.url%
    %record.ProxyData.mimeType%
    %ProxyData.streams.audioStream[1].channels%
    %ProxyData.streams.audioStream[1].sampleRate%
    %ProxyData.streams.audioStream[1].format%
    %ProxyData.streams.audioStream[1].codec%
    %ProxyData.streams.audioStream[1].language%
    %ProxyData.streams.videoStream[1].width%
    %ProxyData.streams.videoStream[1].height%
    %ProxyData.streams.videoStream[1].sar% (Source Aspect Ratio)
    %ProxyData.streams.videoStream[1].codec%

## TextData

    %record.TextData.text%

## TrackingEventData

    %record.TrackingEventData.eventType%
    %record.TrackingEventData.elapsedMicroSeconds%

## UUIDData

    %record.UUIDData.uuid%

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