I have a email template where i am using template items in which i have an htm file and image embed

I have a email template where i am using template items in which i have an htm file and image embeded , can you pass inputs similar to data map in the Outbound Communications Manager , CreateRequest like this in htm file ,

InMsg is the input i tried passing in the input of bs

Outbound Communications Manager , CreateRequest

but did not work , is there a way to replace text in body using

Outbound Communications Manager , CreateRequest with

template items embeded images

</div>
<div class="input-column">
<input type="text" id="field2" name="field2" value="[&InMsg]">
</div>