If you want to define a very specific user segment for your guides, and display them for the right spectator, "Custom Attributes" is your jam. 

Since they are basically segmentation properties that are defined personally by you.

Therefore, during the segmentation process, if the property that you are looking for is not listed among the predefined ones, you can create a Custom Attribute.

In order to learn how to create one, read this article: Creating Custom Attributes

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