Google Analytics + To Track Individual Properties In A Multisite


I'm trying to install Google Analytics + on a multisite, which I've done successfully. However, I want to choose which Google Analytics property is being tracked per site in the domain.

How do I do that?

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We have and in the multisite install (someone else set it up this way, I'm not very familiar with multisite but am VERY familiar with Wordpress). We have created a new Property in Google Analytics to track How do we get that set up properly without having that Property tracking both and