Return Value For Bounded Task Flow

Bounded task flow can return a value.Task Flow call activity return value by reference.
Create a task flow that is called as below :

Also see the return value specified

Outcome of the task flow return activity is taskFlowReturn1.
return_called_view1.jsff

<?xml version='1.0' encoding='UTF-8'?>

<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="2.1" xmlns:af="http://xmlns.oracle.com/adf/faces/rich">

  <af:panelGroupLayout id="pgl1">

    <af:button text="button 1" id="b1" action="toView2"/>

  </af:panelGroupLayout>

</jsp:root>

Calling Task Flow is as below 

See the return value specified coming over to the task flow call activity.

return_calling_view1.jsff 

<?xml version='1.0' encoding='UTF-8'?>

<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="2.1" xmlns:af="http://xmlns.oracle.com/adf/faces/rich">

  <af:panelGroupLayout id="pgl1">

    <af:button text="button 1" id="b1" action="toTFCall"/>

  </af:panelGroupLayout>

</jsp:root>

return_calling_view2.jsff 

<?xml version='1.0' encoding='UTF-8'?>

<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="2.1" xmlns:af="http://xmlns.oracle.com/adf/faces/rich">

  <af:panelGroupLayout id="pgl1"/>

  <af:outputText value="test- #{pageFlowScope.retVal1}" id="ot1"/>

</jsp:root>

Click on button and finally see the "Hello World" printed.

Code snippet for the calling task flow 

<task-flow-call id="return_called_tf">

      <task-flow-reference>

        <document>/WEB-INF/return_called_tf.xml</document>

        <id>return_called_tf</id>

      </task-flow-reference>

      <return-value id="__1">

        <name>returnValue1</name>

        <value>#{pageFlowScope.retVal1}</value>

      </return-value>

    </task-flow-call>

Code snippet for the called task flow 

  <task-flow-definition id="return_called_tf">

    <default-activity>return_called_view1</default-activity>

    <return-value-definition id="__1">

      <name>returnValue1</name>

      <value>Hello World</value>

      <class>java.lang.String</class>

    </return-value-definition>