10

I'm creating EmailMessage records via DML

EmailMessage createWhatEmail = new EmailMessage(
     Subject                = 'test'
    ,Status                 = '3'
    ,ToAddress              = '[email protected]'
    ,FromAddress            = UserInfo.getUserEmail()
    ,FromName               = UserInfo.getFirstName()+' - '+UserInfo.getLastName()
    ,HtmlBody               = 'a body'
    ,Incoming               = false
    ,MessageDate            = DateTime.now()
    ,RelatedToId            = taskWhatId
    // ,HasAttachment       = true // not possible: Read-Only!
);
insert createWhatEmail;

The attachments I'm assigning like this:

for(ContentVersion cv : attachmentCVs) {
    ContentDocumentLink cdl = new ContentDocumentLink(
         ContentDocumentId  = cv.ContentDocumentId
        ,LinkedEntityId     = createWhatEmail.Id
        ,ShareType          = 'V' 
    );
    attachmentCDLs.add( cdl );
}

But the result is not flawless:

enter image description here

The attachment is shown correctly under the Attachments related list. But the non-writable HasAttachment field is false. Hence the paper-clip indicating the attachment isn't show in the Activity Tab under LEX.

Does anyone know a way to make this right?

The result should look more like this:

enter image description here

3
  • 1
    I somehow feel this is related to this issue. It though says it was fixed in Summer '18.
    – Jayant Das
    Jul 12, 2018 at 3:48
  • @JayantDas could be related, but also could be an other bug. Or a feature. Or I'm doing something wrong. I would love to learn more about this. Only thing I can say: the behavior described above is reproducible on all of the org I'm working on.
    – Uwe Heim
    Jul 12, 2018 at 12:35
  • Did you find a solution? Apr 3, 2019 at 17:20

1 Answer 1

8

I spent close to 4 hours on this and figured it out. The key thing is to populate Attachment.ParentId with EmailMessage Id.

Here is the sample code:

EmailMessage emailMessage = new EmailMessage();
emailMessage.status = '3'; // email was sent
emailMessage.relatedToId = '001XXXXXXXXXXX'; 
emailMessage.fromAddress = '[email protected]'; // from address
emailMessage.fromName = 'Billing Department'; // from name
emailMessage.toAddress = '[email protected]';
emailMessage.Subject = 'Hello';

emailMessage.HtmlBody = 'Hello World';
insert emailMessage;

Attachment obj = new Attachment();
obj.Body = Blob.valueOf('Test Blob');
obj.ParentId = emailMessage.Id;
obj.Name = 'Dummy.pdf';
obj.ContentType = 'application/pdf';
insert obj;

System.debug([SELECT Id,HasAttachment FROM EmailMessage WHERE Id =: emailMessage.Id]);
2
  • 4
    To future readers, you don't need to create a dummy VF page. You can simply use: Blob bodyBlob = Blob.valueOf('Test Blob'); To create dummy Blob data.
    – user2018
    Jul 4, 2023 at 18:31
  • 1
    @user2018 Thank you. Updated my answer.
    – javanoob
    Jul 5, 2023 at 19:13

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