<model name="sampleModel"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://schema.qcadoo.org/model"
    xsi:schemaLocation="http://schema.qcadoo.org/model http://schema.qcadoo.org/model.xsd">

    <fields>

        // HERE YOU PUT FIELD DEFINITIONS

    </fields>

    <hooks>

        // HERE YOU PUT HOOK DEFINITIONS

    </hooks>

    // HERE YOU PUT IDENTIFIER

</model>

<fieldType options>

    // HERE YOU PUT VALIDATORSVALIDATOR DEFINITIONS

</fieldType>