Transform inline field with multiple values?

[pianoman723]

I'm trying to transform an inline field with comma-separated values to a YAML field. Action only catches the first value. Also, it tries to add a new YAML header instead of putting the new field into my existing header. What am I doing wrong?

---
tags: 
  - project/course
---
Participants:: [[Participant 1]], [[Participant 2]], [[Participant 3]], ...

Changes to:

> ---
> Participants: [[Participant 1
> ---
> ---
> tags:
>   - project/course
> ---

[pianoman723]

See my related issue oon the Obsidian forum here.