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Eduard PaninEduard Panin 

Add REST Custom Activity to the Marketing Cloud managed package

Description:
I created the Custom Activity (REST) to support the integration between the MC and Custom App. It works fine. Now I am trying to create the managed package, which includes the DataExtention, Custom Activity, and Journey Template.
I receive the notification: Unsupported journey activity type "REST"

User-added image

Seems Salesforce doesn't support the REST type of custom activity in the managed package.
Does anyone knows how to create the Marketing Cloud managed package with integration?

Best Answer chosen by Eduard Panin
SwethaSwetha (Salesforce Developers) 
HI Eduard,
Custom Journey Builder activities are not supported by the Package Manager.

List of supported objects:
https://help.salesforce.com/s/articleView?id=sf.mc_overview_pm_supported_objects.htm&type=5

You can reach out to Success - Salesforce Marketing Cloud page on https://success.salesforce.com/_ui/core/chatter/groups/GroupProfilePage?g=0F9300000001pQ5CAI for further inputs on your ask.
 
If this information helps, please mark the answer as best. Thank you

All Answers

SwethaSwetha (Salesforce Developers) 
HI Eduard,
Custom Journey Builder activities are not supported by the Package Manager.

List of supported objects:
https://help.salesforce.com/s/articleView?id=sf.mc_overview_pm_supported_objects.htm&type=5

You can reach out to Success - Salesforce Marketing Cloud page on https://success.salesforce.com/_ui/core/chatter/groups/GroupProfilePage?g=0F9300000001pQ5CAI for further inputs on your ask.
 
If this information helps, please mark the answer as best. Thank you
This was selected as the best answer
Eduard PaninEduard Panin

Hi Swetha,
Thank you for getting back to me.

If the custom activity is a part of Journey, it can be packaged (probably the Salesforce team thinks so). Thank you for the resource. I'll try to talk about it there.