Hello,

Yes, you have eight fields you can use to pass alpha numeric characters to PayPal.

item_name
item_number
on0
os0
on1
os1
custom
invoice

You would just need to choose which one to use, for example:
https://www.paypal.com/c...ec/options-help-outside

<form action="https://www.paypal.com/cgi-bin/webscr" method="post">
<input type="hidden" name="cmd" value="_xclick">
<input type="hidden" name="business" value="me@mybiz.com">
<input type="hidden" name="currency_code" value="USD">
<input type="hidden" name="item_name" value="Donation">
<table><tr><td>
<input type="text" name="amount" value="10.00" size="5"> Enter Amount<br>
</td></tr><tr><td>
<input type="hidden" name="on0" value="Organization">
<select name="os0">
<option value="Select a Size">Select an Organization
<option value="Red Cross">Red Cross
<option value="Blue Cross">Blue Cross
<option value="Green Cross">Green Cross
</select></td></tr></table>
<input type="image" src="http://www.paypal.com/en_US/i/btn/x-click-but21.gif" border="0" name="submit" alt="Make payments with PayPal - it's fast, free and secure!">
</form>



Stephen Ivaskevicius
PayPal/eBay, Inc.
www.paypal.com/pdn