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Template output can be inconsistent if the data sources used in the template column are not set up correctly. To check, you can review the data sources and make sure they are properly configured. Glide Docs • Template Store Guidelines
Note that if you use that method, you will have to decode the content on the Pabbly side.
I would advise trying the Make JSON column first. That’ll probably be a bit easier.
Unrelated to Darren’s solution, but the link you are referring to was for the template store. I assume you trying to find info on the template column instead.