diff --git a/Sources/Data Model/Experiment.swift b/Sources/Data Model/Experiment.swift
index bfe8418a..cfcfb0ee 100644
--- a/Sources/Data Model/Experiment.swift	
+++ b/Sources/Data Model/Experiment.swift	
@@ -36,9 +36,10 @@ struct Experiment: Codable, ExperimentCore {
     // datafile spec defines this as [String: Any]. Supposed to be [ExperimentKey: VariationKey]
     var forcedVariations: [String: String]
     var cmab: Cmab?
-    
+    var type: String?
+
     enum CodingKeys: String, CodingKey {
-        case id, key, status, layerId, variations, trafficAllocation, audienceIds, audienceConditions, forcedVariations, cmab
+        case id, key, status, layerId, variations, trafficAllocation, audienceIds, audienceConditions, forcedVariations, cmab, type
     }
 
     // MARK: - OptimizelyConfig
@@ -59,7 +60,8 @@ extension Experiment: Equatable {
             lhs.audienceIds == rhs.audienceIds &&
             lhs.audienceConditions == rhs.audienceConditions &&
             lhs.forcedVariations == rhs.forcedVariations &&
-            lhs.cmab == rhs.cmab
+            lhs.cmab == rhs.cmab &&
+            lhs.type == rhs.type
     }
 }
 
diff --git a/Tests/OptimizelyTests-DataModel/ExperimentTests.swift b/Tests/OptimizelyTests-DataModel/ExperimentTests.swift
index 665d6036..c2c851eb 100644
--- a/Tests/OptimizelyTests-DataModel/ExperimentTests.swift
+++ b/Tests/OptimizelyTests-DataModel/ExperimentTests.swift
@@ -143,11 +143,35 @@ extension ExperimentTests {
     func testDecodeFailWithMissingForcedVariations() {
         var data: [String: Any] = ExperimentTests.sampleData
         data["forcedVariations"] = nil
-        
+
         let model: Experiment? = try? OTUtils.model(from: data)
         XCTAssertNil(model)
     }
 
+    func testDecodeSuccessWithUnknownType() {
+        var data: [String: Any] = ExperimentTests.sampleData
+        data["type"] = "new_unknown_type"
+
+        let model: Experiment = try! OTUtils.model(from: data)
+        XCTAssertEqual(model.type, "new_unknown_type")
+        XCTAssertEqual(model.id, "11111")
+        XCTAssertEqual(model.key, "background")
+    }
+
+    func testDecodeSuccessWithKnownType() {
+        var data: [String: Any] = ExperimentTests.sampleData
+        data["type"] = "fr"
+
+        let model: Experiment = try! OTUtils.model(from: data)
+        XCTAssertEqual(model.type, "fr")
+    }
+
+    func testDecodeSuccessWithNilType() {
+        let data: [String: Any] = ExperimentTests.sampleData
+        let model: Experiment = try! OTUtils.model(from: data)
+        XCTAssertNil(model.type)
+    }
+
 }
 
 // MARK: - Encode