ClickHouse/tests/integration/test_dictionaries_ddl/configs/dictionaries/simple_dictionary.xml

<clickhouse>
<dictionary>
   <name>xml_dictionary</name>
   <source>
        <clickhouse>
            <host>localhost</host>
            <port>9000</port>
            <user>default</user>
            <password></password>
            <db>test</db>
            <table>xml_dictionary_table</table>
        </clickhouse>
    </source>

       <lifetime>
           <min>0</min>
           <max>0</max>
       </lifetime>

       <layout>
           <cache><size_in_cells>128</size_in_cells></cache>
       </layout>

    <structure>
        <id>
            <name>id</name>
        </id>
        <attribute>
            <name>SomeValue1</name>
            <type>UInt8</type>
            <null_value>1</null_value>
        </attribute>

        <attribute>
            <name>SomeValue2</name>
            <type>String</type>
            <null_value>''</null_value>
        </attribute>
   </structure>
</dictionary>
</clickhouse>