Einhugur macOS Bridge plugin. |

# VNInstanceMaskObservation.IsVNInstanceMaskObservation Method

Returns true if the NSObject under the hood is VNInstanceMaskObservation or derived from VNInstanceMaskObservation.

shared IsVNInstanceMaskObservation(
value as EinhugurCoreBridge.NSObject) as Boolean

#### Parameters

value
  The NSObject to check.

#### Returns

Boolean

#### Remarks

#### See Also

VNInstanceMaskObservation Class