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Step - 4 : Show labels in screens above the form like "New Person -- - Simple Event"  and  "New Person -- - Java Event" so that it will be easy to identify the purpose of that form.

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public static String createPracticePersonJavaEvent(HttpServletRequest request, HttpServletResponse response){    LocalDispatcher dispatcher = (LocalDispatcher) request.getAttribute("dispatcher");                              GenericDelegator delegator = (GenericDelegator) request.getAttribute("delegator");
}

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Step - 4 : Then at the end just call the service "createPracticePerson" like :             

try{
    Map person = dispatcher.runSync("createPracticePerson", createPersonCtx);
 }catch (GenericServiceException e){
     Debug.logError(e.toString(), module);          return "error";
 }
return "success";

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Step - 2 :  Now you have to create a file by name "eecas.xml" in "entitydef" directory, which will be in your component directory "practice". Eeca definition will come here. (Take reference from eecas.xml of "accounting" component). This will be :

    <!- - To create party role whenever a party is created -->
    <eca entity="Party" operation="create" event="return">
        <condition field-name="partyId" operator="is-not-empty"/>
        <action service="createPartyRoleCustomer" mode="sync"/>
    </eca>

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 Create a group service by name "partyGroup" like :

<!-- Group service -->
    <service name="partyGroup" engine="group" auth="true">
        <description>Creates a party, person and party role Client</description>
        <group>
            <invoke name="createPracticePerson" result-to-context="true"/>
            <invoke name="createPartyRoleClient"/>
        </group>
    </service>

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Step - 2 : Create new screen, form and service for creating a person. Here service will implement the interface. (For creating interface take reference from services_fixedasset.xml of accounting component) it will be like :

<!-- Peson Interface -->
    <service name="createPersonInterface" engine="interface" location="" invoke="">
        <attribute name="firstName" mode="IN" type="String" optional="false"/>
        <attribute name="middleName" mode="IN" type="String" optional="true"/>
        <attribute name="lastName" mode="IN" type="String" optional="false"/>
        <attribute name="suffix" mode="IN" type="String" optional="true"/>
    </service>
   
    <service name="createPracticePersonInterfaceService" engine="simple" location="org/hotwax/practice/PracticeServices.xml" invoke="createPracticePersonInterfaceService" auth="false">
        <description>Creates a new Person</description>
        <implements service="createPersonInterface"/>
        <attribute name="partyId" mode="OUT" type="String" optional="false"/>  
        <override name="suffix" optional="false"/>
    </service>

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