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MailChimp Integration Settings (Part II)

Posted: August 12, 2013 at 4:11 am


August 12, 2013 at 4:11 am


In relation to this:

I have disgussed the following with Mailchimp Support:

I am using Event Espresso and their Add-on called “Mailchimp Integration”. In order to have it working there need to be a Group created for our List. So far so good. But apparently Mailchimp doesn’t support their own Group function?

Why is it NOT possible to make a Sign Up Form with a pre-selected Group so that everyone signing up will end up in that one Group? I am not interested in letting people choose to checkbox this Group themselves as people will forget – nor am I interested in having to move people to the group manually the next many years.

Mailchimp Support answer:

It sounds like it may help to provide a bit of background information. Groups are meant to be optional when signing up for a list so automatically forcing someone to be in a group when they sign up would go against that so unfortunately we wouldn’t have a way add people in automatically. looking into your list I do see that you have setup a group field in your list so that the integration may work. seeing as the Event Sspresso wasn’t set up through us and was made through a third party we wouldn’t be able to support it so it may be better to reach out to event espresso and see if they can help out.

How do we solve this problem?


Sidney Harrell

August 12, 2013 at 10:54 am

I did some testing and it looks like to get it to work you have to do this:(I’ll just walk through what I had to do to get it to work)

  1. Sign up for Mailchimp
  2. Create a list
  3. Create at least one group under that list
  4. Install the Mailchimp Add-on under EE
  5. Add the Mailchimp API key
  6. edit the event, select your list and your group
  7. test register
  8. confirm list subscription in the email
  9. if you are still logged into Mailchimp in another tab, you have to log out and log back in to see the newly subscribed test registration

Hope that helps. I’m looking into the bug report filed earlier to get the Mailchimp add-on to work without a group assigned. I also ran into that bug while testing.


August 12, 2013 at 11:23 am


I’m affraid you misunderstood the problem. The problem is that EE forces us (because of the bug) to use a Group in order for the setup to work. But this then results in everyone signing up NOT to listed to this Group – as there’s no way a normal Signup Form on the website can automatically assign subscribers to the Group. It becomes a mess then with some emails grouped and some not.

Sidney Harrell

August 12, 2013 at 11:50 am

I found the fix for the bug that forces you to use groups.
If you open the file mailchimp.controller.class.php and look at line 256:

if( 0 < count( $mailChimpListID['mailchimp_group_id'] ) ) :

change it to read instead:

if( 1 < count( $groups_data ) ) :

Then you should be able to use it without worrying about groups. Fix is scheduled for deployment in the next mailchimp add-on update.


August 12, 2013 at 2:10 pm

Hi Sidney

Thanks, that solved a great deal of problems. When will the offical update be ready?

Sidney Harrell

August 12, 2013 at 3:08 pm

I’m not sure. I think there are 5 more tickets on the development version that need to be completed before the next update can go out.

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