specialpurpose/myportal/minilang/MyPortalServices.xml

<?xml version="1.0" encoding="UTF-8"?>
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    "License"); you may not use this file except in compliance
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    http://www.apache.org/licenses/LICENSE-2.0

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<simple-methods xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://ofbiz.apache.org/Simple-Method" xsi:schemaLocation="http://ofbiz.apache.org/Simple-Method http://ofbiz.apache.org/dtds/simple-methods.xsd">

    <simple-method method-name="portalPermissionIsEmployee" short-description="check permission for Employee">
        <set field="hasPermission" value="true" type="Boolean"/>
        <set field="hasNoPermission" value="false" type="Boolean"/>

        <if-has-permission permission="MYPORTAL_EMPLOYEE">
            <field-to-result field="hasPermission"/>
            <return/>
            <else>
                <field-to-result field="hasNoPermission" result-name="hasPermission"/>
                <return/>
            </else>
        </if-has-permission>
    </simple-method>

    <simple-method method-name="portalPermissionIsCustomer" short-description="check permission for customer">
        <set field="hasPermission" value="true" type="Boolean"/>
        <set field="hasNoPermission" value="false" type="Boolean"/>

        <if-has-permission permission="MYPORTAL_CUSTOMER">
            <field-to-result field="hasPermission"/>
            <return/>
            <else>
                <field-to-result field="hasNoPermission" result-name="hasPermission"/>
                <return/>
            </else>
        </if-has-permission>
    </simple-method>

</simple-methods>