Mura CMS : Mura has two different methods for get a link to a file stored as an extended attribute. The one you choose depends on if you're expecting the file to be an "image" or a "file" ... if it's not a valid image or file, then the methods will return an empty string, which means you can test for the return value and then output it if it exi…

muraGetFileORImageByFileID.cfm

<cfscript>
  // simple examples
  fileURL = $.getURLForFile('yourFileID');
  imageURL = $.getURLForImage('yourFileID');
</cfscript>

<!--- File Example --->
<cfif Len($.getURLForFile($.content('myCustomAttribute')))>
  <a href="#$.getURLForFile($.content('myCustomAttribute'))#">Download File</a>
<cfelse>
  Not a valid FILE or it doesn't exist.
</cfif>

<!--- Image Example --->
<cfif Len($.getURLForImage($.content('myCustomAttribute')))>
  <img src="#$.getURLForFile($.content('myCustomAttribute'))#" />
<cfelse>
  Not a valid IMAGE or it doesn't exist.
</cfif>