diff --git a/11-task-class/build.gradle b/11-task-class/build.gradle
new file mode 100644
index 0000000..dd99084
--- /dev/null
+++ b/11-task-class/build.gradle
@@ -0,0 +1,22 @@
+
+// Definition of custom task class
+class DateTask extends DefaultTask {
+
+    String prefixText = "Today is:"
+
+    @TaskAction
+    void printDate() {
+        def dateTime = new Date()  
+        println "${prefixText} ${dateTime.dateString}"
+    }
+}
+
+task today(type: DateTask) {
+    description "Display date"
+}
+
+task verboseToday(type: DateTask) {
+    description "Display polite message and date"
+    prefixText "I would like to inform you that today is:"
+}
+
diff --git a/README.md b/README.md
index b782089..49f21b7 100644
--- a/README.md
+++ b/README.md
@@ -108,3 +108,15 @@ building decorators.
 
     gradle tasks
     gradle helloWorld
+
+## 11-task-class
+
+Gradle allows to define custom task class. This class should contain
+one method with annotation @TaskAction. This method will be executed.
+Each property defined on class level is configurable from gradle task
+(see verboseToday).
+
+    gradle tasks
+    gradle today
+    gradle verboseToday
+