Odoo-RMl reports how to use condition

Question

<blockTable colWidths="34.0,134.0,50.0,50.0,71.0,100.0,100.0" repeatRows="1" style="Table11B">
    <tr>
        <td>
            <para style="P5">2</para>
        </td>
    </tr>
</blockTable> 

I want execute the above code only if object.rentmaterial is not empty.

Answer 1

You can give your condition like this

          <para style="P2">
            [[ x.fieldname== True]]
             [[ x.date ]]
          </para>