diff --git a/whisk/api.go b/whisk/api.go
index 64af10b..6c062e5 100644
--- a/whisk/api.go
+++ b/whisk/api.go
@@ -101,11 +101,12 @@
 }
 
 type ApiAction struct {
-	Name          string `json:"name,omitempty"`
-	Namespace     string `json:"namespace,omitempty"`
-	BackendMethod string `json:"backendMethod,omitempty"`
-	BackendUrl    string `json:"backendUrl,omitempty"`
-	Auth          string `json:"authkey,omitempty"`
+	Name          string      `json:"name,omitempty"`
+	Namespace     string      `json:"namespace,omitempty"`
+	BackendMethod string      `json:"backendMethod,omitempty"`
+	BackendUrl    string      `json:"backendUrl,omitempty"`
+	Auth          string      `json:"authkey,omitempty"`
+	SecureKey     interface{} `json:"secureKey,omitempty"`
 }
 
 type ApiOptions struct {
diff --git a/whisk/keyvaluearr_test.go b/whisk/keyvaluearr_test.go
new file mode 100644
index 0000000..5b908d5
--- /dev/null
+++ b/whisk/keyvaluearr_test.go
@@ -0,0 +1,42 @@
+// +build unit
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package whisk
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestKeyValueArrReplaceOrAdd(t *testing.T) {
+	kvArr := make(KeyValueArr, 3)
+	kvArr[0] = KeyValue{"key0", "value0"}
+	kvArr[1] = KeyValue{"key1", "value1"}
+	kvArr[2] = KeyValue{"key2", "value2"}
+
+	kvNew := &KeyValue{"keyAdd", "valueAdd"}
+	kvArrNew := kvArr.AddOrReplace(kvNew)
+	assert.Equal(t, len(kvArrNew), 4)
+	assert.Equal(t, kvArrNew.GetValue(kvNew.Key), kvNew.Value)
+
+	kvAdd := &KeyValue{"key3", "valueReplace"}
+	kvArrNew = kvArr.AddOrReplace(kvAdd)
+	assert.Equal(t, len(kvArrNew), 4)
+	assert.Equal(t, kvArrNew.GetValue(kvAdd.Key), kvAdd.Value)
+}
diff --git a/whisk/shared.go b/whisk/shared.go
index 53d8ce5..7848026 100644
--- a/whisk/shared.go
+++ b/whisk/shared.go
@@ -57,6 +57,26 @@
 }
 
 /*
+ * Adds the specified KeyValue to the key value array.  If the KeyValue's key
+ * is already in the array, that entry is updated with the KeyValue's value.
+ *
+ * Returns a new key value array with the update
+ */
+func (keyValueArr KeyValueArr) AddOrReplace(kv *KeyValue) KeyValueArr {
+	var replaced = false
+	for i := 0; i < len(keyValueArr); i++ {
+		if strings.ToLower(keyValueArr[i].Key) == strings.ToLower(kv.Key) {
+			keyValueArr[i].Value = kv.Value
+			replaced = true
+		}
+	}
+	if !replaced {
+		return append(keyValueArr, *kv)
+	}
+	return keyValueArr
+}
+
+/*
 Appends items from appKeyValueArr to keyValueArr if the appKeyValueArr item does not exist in keyValueArr.
 */
 func (keyValueArr KeyValueArr) AppendKeyValueArr(appKeyValueArr KeyValueArr) KeyValueArr {