Insight custom fields not processed in the email body on a post function

Description
Insight custom fields not processed in the email body on a post function.

Pre-conditions
Insight 8.6.8 installed

How to reproduce

1. Crate an Insight object
2. Create an email post function
3. Add placeholders for the Insight custom field in the summary and body of the email
4. Execute the workflow transition that triggers the post-function

Actual result/Attachments
The placeholders for the insight custom fields are not processed, it still shows the placeholders instead of the actual values.

Expected result
The values of the Insight custom fields should be shown in the email summary and body.

Version

• Xporter 6.5.2