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Issue with multiple choice questions – used to work, now broken

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Posted on by SM-27051244-0

Hi,

I’ve been working on a Copilot Studio topic where I use multiple choice questions (OptionSet). Everything was working perfectly until a few days ago, but now the same expressions are throwing errors.

Whenever I try to create a condition based on the user’s response (e.g. "Non, merci"), I get this error:

"The name is not valid. 'Non, merci' is not recognized."

"Incompatible types for comparison. These types can be compared: OptionSetValue, Error."

This happens even though I didn’t change anything in the logic or question.

It seems like comparing the user’s answer directly to a string now causes issues, even though it was working before.

Could you please let me know:

What changed regarding how OptionSet values should be handled?

What is the correct way now to compare a user’s choice (like "Non, merci") in a condition?

How can I reliably handle a 3-option question and redirect to different topics?

Thanks in advance

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sandeep_angara 184 on at

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Issue with multiple choice questions – used to work, now broken

You are right @SM-27051244-0. There seems to be a change in how option sets are accessed in Copilot studio.

When I tried with preview instance: copilotstudio.preview.microsoft.com

The option sets are automatically being shown in the dropdown:

If you couldn't see this or access your option sets this way. Below is the workaround.

- Click on three dots of in the option set selection field

- Head to Formula section

- Provide this formula <YourTopicLogicalName>.main.<QuestionNodeId>.'YourOptionSet'

** When you are actually typing this formula, the formula will be suggested up till question node. You just add DOT(.) and select your option set.

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If this solves your problem, please mark this as verified answer. Thank you

Sandeep Angara

https://www.linkedin.com/in/sandeep-angara/