alfresco-community-repo/config/alfresco/workflow/wcmSubmitModel.xml

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

<model name="wcmwf:submitmodel" xmlns="http://www.alfresco.org/model/dictionary/1.0">

    <imports>
        <import uri="http://www.alfresco.org/model/dictionary/1.0" prefix="d"/>
        <import uri="http://www.alfresco.org/model/content/1.0" prefix="cm"/>
        <import uri="http://www.alfresco.org/model/bpm/1.0" prefix="bpm"/>
    </imports>

    <namespaces>
        <namespace uri="http://www/alfresco.org/model/wcmwf/1.0" prefix="wcmwf"/>
    </namespaces>

    <types>
        <type name="wcmwf:baseSubmitTask">
            <parent>bpm:workflowTask</parent>

            <properties>
               <property name="wcmwf:description">
                   <title>Description</title>
                   <type>d:text</type>
               </property>
               
                <property name="wcmwf:sourcePath">
                    <title>Source Sandbox Path</title>
                    <type>d:text</type>
                </property>
            </properties>
        </type>

        <type name="wcmwf:startSubmit">
            <title>Submit Web Content</title>
            <parent>wcmwf:baseSubmitTask</parent>
            
            <properties>
                <property name="wcmwf:submitDueDate">
                    <title>Due Date</title>
                    <type>d:date</type>
                </property>
            </properties>

            <associations>
                <association name="wcmwf:assignee">
                    <title>Assignee</title>
                    <source>
                        <mandatory>false</mandatory>
                        <many>false</many>
                    </source>
                    <target>
                        <class>cm:person</class>
                        <mandatory>true</mandatory>
                        <many>false</many>
                    </target>
                </association>
            </associations>
        </type>

        <type name="wcmwf:review">
            <title>Review</title>
            <parent>wcmwf:baseSubmitTask</parent>
        </type>
    </types>
</model>