Update the Letter data dictionary definition to include the new properties

The Letter.fml file defines the attributes in the letter entity, and is at [CorrespondenceManagementSolutionTemplate]\package-resources\apps\solutions\cm\assetDefinitions. Edit the Letter.fml file and for the entry 'Letter' add the following properties:
<property name="geographicalLocation" type="string"> 
    <annotation name="DDS"> 
        <item name="displayName">Geographical Location</item> 
            <item name="visible">true</item> 
            <item name="searchable">true</item> 
            <item name="columnOrder">11</item> 
            <item name="searchRendererOrder">11</item> 
            <item name="searchPath">Letter.extendedProperties.geographicalLocation</item> 
            <item name="assetPropertyType">extended</item> 
            <item name="extendedPropertyPath">Letter.extendedProperties.geographicalLocation</item> 
            <!-- The option list is used in Advanced Search to show a dropdown of available values --> 
            <item name="optionList"> 
                <![CDATA[ 
                    <domain dataType="string"> 
                        <item label="Africa" data="Africa"/> 
                        <item label="Asia Pacific" data="Asia Pacific"/> 
                        <item label="Europe" data="Europe"/> 
                        <item label="Latin America" data="Latin America"/> 
                        <item label="Middle East" data="Middle East"/> 
                        <item label="North America" data="North America"/> 
                    </domain> 
                ]]> 
            </item> 
    </annotation> 
</property> 
<property name="productLine" type="string"> 
    <annotation name="DDS"> 
    <item name="displayName">Product Line</item> 
            <item name="visible">true</item> 
            <item name="searchable">true</item> 
            <item name="columnOrder">12</item> 
            <item name="searchRendererOrder">12</item> 
            <item name="searchPath">Letter.extendedProperties.productLine</item> 
            <item name="assetPropertyType">extended</item> 
            <item name="extendedPropertyPath">Letter.extendedProperties.productLine</item> 
            <!-- The option list is used in Advanced Search to show a dropdown of available values --> 
            <item name="optionList"> 
                <![CDATA[ 
                    <domain dataType="string"> 
                        <item label="Medical Insurance" data="Medical Insurance"/> 
                        <item label="Property Insurance" data="Property Insurance"/> 
                        <item label="Vehicle Insurance" data="Vehicle Insurance"/> 
                        <item label="Travel Insurance" data="Travel Insurance"/> 
                        <item label="General Insurance" data="General Insurance"/> 
                    </domain> 
                ]]> 
            </item> 
    </annotation> 
</property>

// Ethnio survey code removed