[=Sarge;177197]
Sorry for the lack of preview, but here it is!
Better late than never. 
We are also currently working on an in-editor UI to manage all these settings. It should boil all the technical details down to pressing one of three buttons (Import, Export, Gather).
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Nice to see! Would it be possible to update the example config text with an example for GatherTextFromMetadata? The other commands are covered, but it is absent.