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diff --git a/platform/darwin/src/MGLLight.h b/platform/darwin/src/MGLLight.h
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+++ b/platform/darwin/src/MGLLight.h
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+#import <CoreLocation/CoreLocation.h>
+
+#import "MGLFoundation.h"
+#import "MGLStyleValue.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+
+/** Options to specify extruded geometries are lit relative to the map or viewport. */
+typedef NS_ENUM(NSUInteger, MGLLightAnchor) {
+    /** The position of the light source is aligned to the rotation of the map. */
+    MGLLightAnchorMap,
+    /** The position of the light source is aligned to the rotation of the viewport. */
+    MGLLightAnchorViewport
+};
+
+/**
+ A structure containing information about the position of the light source
+ relative to lit geometries.
+ */
+typedef struct MGLSphericalPosition {
+    /** Distance from the center of the base of an object to its light. */
+    CLLocationDistance radial;
+    /** Position of the light relative to 0° (0° when `MGLLight.anchor` is set to viewport corresponds
+     to the top of the viewport, or 0° when `MGLLight.anchor` is set to map corresponds to due north,
+     and degrees proceed clockwise). */
+    CLLocationDirection azimuthal;
+    /** Indicates the height of the light (from 0°, directly above, to 180°, directly below). */
+    CLLocationDirection polar;
+} MGLSphericalPosition;
+
+/**
+ Creates a new `MGLSphericalPosition` from the given radial, azimuthal, polar.
+ 
+ @param radial The radial coordinate.
+ @param azimuthal The azimuthal angle.
+ @param polar The polar angle.
+ 
+ @return Returns a `MGLSphericalPosition` struct containing the position attributes.
+ */
+NS_INLINE MGLSphericalPosition MGLSphericalPositionMake(CLLocationDistance radial, CLLocationDirection azimuthal, CLLocationDirection polar) {
+    MGLSphericalPosition position;
+    position.radial = radial;
+    position.azimuthal = azimuthal;
+    position.polar = polar;
+    
+    return position;
+}
+
+/**
+ An `MGLLight` object represents the light source for extruded geometries in `MGLStyle`.
+ */
+MGL_EXPORT
+@interface MGLLight : NSObject
+
+/**
+ `anchor` Whether extruded geometries are lit relative to the map or viewport.
+ 
+ This property corresponds to the <a
+ href="https://www.mapbox.com/mapbox-gl-js/style-spec/#light-anchor"><code>anchor</code></a>
+ light property in the Mapbox Style Specification.
+ */
+@property (nonatomic) MGLLightAnchor anchor;
+
+/**
+ Values describing animated transitions to `anchor` property.
+ */
+@property (nonatomic) MGLTransition anchorTransition;
+
+
+/**
+ Position of the light source relative to lit (extruded) geometries.
+ 
+ This property corresponds to the <a
+ href="https://www.mapbox.com/mapbox-gl-js/style-spec/#light-position"><code>position</code></a>
+ light property in the Mapbox Style Specification.
+ */
+@property (nonatomic) MGLStyleValue<NSValue *> * position;
+
+/**
+ Values describing animated transitions to `position` property.
+ */
+@property (nonatomic) MGLTransition positionTransiton;
+
+
+#if TARGET_OS_IPHONE
+/**
+ Color tint for lighting extruded geometries.
+ 
+ This property corresponds to the <a
+ href="https://www.mapbox.com/mapbox-gl-js/style-spec/#light-color"><code>color</code></a>
+ light property in the Mapbox Style Specification.
+ */
+@property (nonatomic) MGLStyleValue<UIColor *> *color;
+#else
+
+/**
+ Color tint for lighting extruded geometries.
+ */
+@property (nonatomic) MGLStyleValue<NSColor *> *color;
+#endif
+
+/**
+ Values describing animated transitions to `color` property.
+ */
+@property (nonatomic) MGLTransition colorTransiton;
+
+
+/**
+ Intensity of lighting (on a scale from 0 to 1). Higher numbers will present as more extreme contrast.
+ 
+ This property corresponds to the <a
+ href="https://www.mapbox.com/mapbox-gl-js/style-spec/#light-intensity"><code>intensity</code></a>
+ light property in the Mapbox Style Specification.
+ */
+@property(nonatomic) MGLStyleValue<NSNumber *> *intensity;
+
+/**
+ Values describing animated transitions to `intensity` property.
+ */
+@property (nonatomic) MGLTransition intensityTransition;
+
+@end
+
+NS_ASSUME_NONNULL_END