OData query

<fetch>
    <entity name="invoice" >
        <attribute name="name" />
        <attribute name="totalamount" />
        <attribute name="invoicenumber" />
        <link-entity name="account" from="accountid" to="customerid" >
            <filter>
                <condition attribute="customerid" operator="eq" value="4794394" />
            </filter>
        </link-entity>
    </entity>
</fetch>