HTML object
<!--%%[IF _messagecontext == 'no show' THEN ]%%--><table border="0" cellpadding="0" cellspacing="0" role="presentation" width="100%">
<tr>
<td align="center" bgcolor="#ff8432" style="padding: 20px; font-size:14px; color:#ffffff;" valign="top">
<span>Please select a mailinglist here:</span><br>
<br>
1. Click on this block and select "Replace"<br>
2. Select the desired Mailinglist object from the content builder.</td></tr></table><!--%%[ELSEIF _messagecontext == 'PREVIEW' THEN
SET @message = '<table border="0" cellpadding="0" cellspacing="0" role="presentation" width="100%">
<tr>
<td align="center" bgcolor="#ff0000" style="padding: 20px; font-size:14px; color:#ffffff;" valign="top">
<span style="font-size:16px;">No mailinglist selected.</span> <br><br>You are now viewing this in "Preview and Test".<br> Please go back to the Tab "Content" and replace this block with the desired mailinglist block.</td></tr></table>'
]%%--><span style="font-size:0px;">%%=v(@message)=%%</span> <!--%%[ENDIF]%%-->