I haven't worked with triggers in the SDK, but I believe the problem is the response of your API call does not match the definition of your output fields. If they don't match, the output tab will still show the API response, but the the output fields (datapills) will be empty when used in a recipe.
I'm assuming we're talking about triggers.new_customers....
The API output according to your screenshot is a single object:
{staged_events: [array of objects],
events: [array of objects]}
But your output fields are structured differently:
{id: int,
email: text,
subject: text,
description: text}
You'll need to update your outputs field definitions to match the exact schema of the API call. It can be a bit tedious to do, but there are some shortcuts.
Here's a start to the output fields I think you need. I would test the "id" datapill first to ensure it returns data, and then work on building out the rest of the output schema:
[{
"name": "events",
"type": "array",
"of": "object",
"properties": [{
"name": "id",
"type": "object",
"properties": [{
"id": "text"
}]
}]
}]
Here's a link with formatting: https://pastebin.com/nhPVFtRr
(Edit: I had to update the above sample and the link, so please grab the latest : )
