trigger AttachmentTrigger on Attachment (before insert) { | |
set<String> setExtNotAllowed = new set<String> {'exe','dll'}; | |
for (Attachment attachment :Trigger.new) { | |
String strFilename = attachment.Name.toLowerCase(); | |
List<String> parts = strFilename.splitByCharacterType(); | |
if(setExtNotAllowed.Contains(parts[parts.size()-1])) { | |
attachment.addError('File with extension exe or dll could not be attached!!'); | |
} | |
} | |
} |
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