The default variable name shows up when the Assistant is launched, however, you can change it if you'd like.
Choose the Mail Format and the Body Format if needed - to send HTML tags in your email, choose a Mail Format of CdoMailFormatMime and a Body Format of CdoBodyFormatHTML
The TO, FROM, SUBJECT and BODY text boxes are fairly self-explanatory. However, you can build your body using a variable and then, click in the checkbox below the BODY designation if that is the case. In that case, there will be no double quotes around what is inserted in the BODY box.
To attach a file to the email - click on the BROWSE button. One work of caution here too - the file must be in the same directory path on the actual server.
Make a choice as to whether or not to enclose the entire section in ASP tags and click on APPLY. That's all there is to it.