Contact form 7

For radio option “pakomāts” I set it to give drop down menu, code of which is provided separately and added to form using
<p class=”orderPakomatsOption” >Preces sa?em?ana*<br />
[radio radio-128 “birojā” “kurjers” “pakomāts”]</p>
<div id=”omniva_container2″></div>
how can I add the value of the drop down menu to the email that is sent?

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