1 files changed, 5 insertions, 2 deletions
diff --git a/include/mbgl/style/function/camera_function.hpp b/include/mbgl/style/function/camera_function.hpp
index 25b38e3616..015abd3e62 100644
--- a/include/mbgl/style/function/camera_function.hpp
+++ b/include/mbgl/style/function/camera_function.hpp
@@ -12,7 +12,6 @@
 #include <mbgl/util/interpolate.hpp>
 #include <mbgl/util/variant.hpp>
 
-
 namespace mbgl {
 namespace style {
 
@@ -66,7 +65,11 @@ public:
             [&](auto z) { return z->getCoveringStops(lower, upper); }
         );
     }
-    
+
+    std::vector<optional<T>> possibleOutputs() const {
+        return expression::fromExpressionValues<T>(expression->possibleOutputs());
+    }
+
     friend bool operator==(const CameraFunction& lhs,
                            const CameraFunction& rhs) {
         return *lhs.expression == *rhs.expression;