Setting up a Tag for email opens - Then putting them into a campaign

Hi there,

I’m trying to set up my emails to be tagged once they’re opened then put into a campaign so i can see the opened emails, compared to the Opt outs etc.

I have set up the campaign. But i think the code i’m using on the email is wrong so they’re tagged upon opening.
The code i am using is:
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Am i doing this correctly ?

Many thanks