diff --git a/src/UIModel.js b/src/UIModel.js
index a2bcd2d..3abbb4d 100644
--- a/src/UIModel.js
+++ b/src/UIModel.js
@@ -94,7 +94,7 @@ define(
          */
         exports.set = function (name, value, options) {
             if (this.formatters.hasOwnProperty(name)) {
-                value = this.formatters[name](value);
+                value = this.formatters[name].call(this, value);
             }
             this.$super([name, value, options]);
         };
@@ -114,7 +114,7 @@ define(
                 ) {
                     var formatter = this.formatters[name];
                     var value = extension[name];
-                    extension[name] = formatter(value);
+                    extension[name] = formatter.call(this, value);
                 }
             }
 
@@ -146,4 +146,4 @@ define(
 
         return UIModel;
     }
-);
\ No newline at end of file
+);
diff --git a/src/UIView.js b/src/UIView.js
index c156a77..a008c60 100644
--- a/src/UIView.js
+++ b/src/UIView.js
@@ -50,6 +50,9 @@ define(
                     ? getProperty(value, path.slice(1))
                     : value;
             }
+            else if (prefix === '#' && u.isFunction(this[actualValue])) {
+                return this[actualValue]();
+            }
             else {
                 return value;
             }