<call function="get_map">
    <property name="center"     value="${sf-ll}"/>
    <property name="key"        value="${static.maps.key}"/>
    <property name="format"     value="${format}"/>
    <property name="maptype"    value="${maptype}"/>
    <property name="markers"    value="${markers}"/>
    <property name="zoom"       value="5"/>
</call>