diff --git a/addon/utils/collection-action.js b/addon/utils/collection-action.js
index 6912e679..4c817d98 100644
--- a/addon/utils/collection-action.js
+++ b/addon/utils/collection-action.js
@@ -4,12 +4,25 @@ import { buildOperationUrl } from './build-url';
 const { merge } = Ember;
 
 export default function instanceOp(options) {
-  return function(payload) {
-    let modelName = this.constructor.modelName || this.constructor.typeKey;
-    let requestType = (options.type || 'PUT').toUpperCase();
-    let urlType = options.urlType || requestType;
-    let adapter = this.store.adapterFor(modelName);
-    let fullUrl = buildOperationUrl(this, options.path, urlType, false);
-    return adapter.ajax(fullUrl, requestType, merge(options.ajaxOptions || {}, { data: payload }));
-  };
-}
+    return function(payload) {
+        let modelName = this.constructor.modelName || this.constructor.typeKey;
+        let requestType = (options.type || 'PUT').toUpperCase();
+        let urlType = options.urlType || requestType;
+        let adapter = this.store.adapterFor(modelName);
+        let fullUrl = buildOperationUrl(this, options.path, urlType, false);
+        let extract = options.extract;
+        return new Ember.RSVP.Promise(function(resolve, reject) {
+            return adapter.ajax(fullUrl, requestType, merge(options.ajaxOptions || {}, { data: payload })).then(function(response) {
+                if (extract) {
+                    if (response && response[extract] !== null) {
+                        return resolve(response[extract]);
+                    } else {
+                        return reject(new Error('Response malformed'));
+                    }
+                } else {
+                    return resolve(response);
+                }
+            }).catch(reject);
+        });
+    };
+}
\ No newline at end of file
diff --git a/addon/utils/member-action.js b/addon/utils/member-action.js
index 05ca171b..940e06d4 100644
--- a/addon/utils/member-action.js
+++ b/addon/utils/member-action.js
@@ -4,12 +4,25 @@ import { buildOperationUrl } from './build-url';
 const { merge } = Ember;
 
 export default function instanceOp(options) {
-  return function(payload) {
-    let modelName = this.constructor.modelName || this.constructor.typeKey;
-    let requestType = (options.type || 'PUT').toUpperCase();
-    let urlType = options.urlType || requestType;
-    let adapter = this.store.adapterFor(modelName);
-    let fullUrl = buildOperationUrl(this, options.path, urlType);
-    return adapter.ajax(fullUrl, requestType, merge(options.ajaxOptions || {}, { data: payload }));
-  };
-}
+    return function(payload) {
+        let modelName = this.constructor.modelName || this.constructor.typeKey;
+        let requestType = (options.type || 'PUT').toUpperCase();
+        let urlType = options.urlType || requestType;
+        let adapter = this.store.adapterFor(modelName);
+        let fullUrl = buildOperationUrl(this, options.path, urlType);
+        let extract = options.extract;
+        return new Ember.RSVP.Promise(function(resolve, reject) {
+            return adapter.ajax(fullUrl, requestType, merge(options.ajaxOptions || {}, { data: payload })).then(function(response) {
+                if (extract) {
+                    if (response && response[extract] !== null) {
+                        return resolve(response[extract]);
+                    } else {
+                        return reject(new Error('Response malformed'));
+                    }
+                } else {
+                    return resolve(response);
+                }
+            }).catch(reject);
+        });
+    };
+}
\ No newline at end of file
diff --git a/jsconfig.json b/jsconfig.json
new file mode 100644
index 00000000..f408cac8
--- /dev/null
+++ b/jsconfig.json
@@ -0,0 +1 @@
+{"compilerOptions":{"target":"es6","experimentalDecorators":true},"exclude":["node_modules","bower_components","tmp","vendor",".git","dist"]}
\ No newline at end of file