Hi, I want to add an additional key and value to the utag_data object or the b object (since they are meant to be the same) but make sure it persists throughout the life of the tealium session or visitor id remains persistent also. I won't be able to provide the data upfront and add it to the utag_data object before utag.js loads (as explained in the docs) because I am making an HTTP request to see if the data I am trying to store in tealium exists in my DB and if not generate the data and add it into tealium's data_layer (I believe) then store in my DB. Based on what I have read, one way to go is to make an extension, call the HTTP endpoint there and store the results in the b object e.g. b.foo = "bar" where it the docs suggest the data will persist from then on. Is this correct? or is there another or better method? Thanks
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