clinic/netforce_clinic/layouts/import_clinic_visit.xml

<form title="Import Visit">
    <group form_layout="stacked">
        <field name="file" span="3"/>
        <field name="hcode" span="3"/>
    </group>
    <foot replace="1">
        <button string="Import" method="import_visit" type="primary" icon="arrow-right"/>
    </foot>
</form>