clarify string value in spring guide

[christinaausley]

Description

@pepopowitz Am I correct that you need to write "charge-credit-card" in quotation marks, otherwise it is not interpreted as string by the feel engine and leads to an exception? This could help clarify for beginners.

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• This is a bug fix, security concern, or something that needs urgent release support.
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PR Checklist

• My changes are for an already released minor and are in /versioned_docs directory.
• My changes are for the next minor and are in /docs directory (aka /next/).

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[pepopowitz]

Am I correct that you need to write "charge-credit-card" in quotation marks, otherwise it is not interpreted as string by the feel engine and leads to an exception?

No, I don't believe this is true. The service task name should not contain quotation marks.

You mention FEEL though, and this makes me wonder if you're referring to a different step? The steps you edited are specifying the name of a service task, and I don't believe run through the FEEL engine.

[christinaausley]

I see what I did wrong here @pepopowitz -- closing 👍