[QUESTION] How can i get "Target" ttfb

[robsongajunior]

TEST LINK: https://www.webpagetest.org/result/220404_BiDcS2_EJ0/1/performance_optimization/#first_byte_tim

I'm using the API to run tests and ok, in the result https://www.webpagetest.org/jsonResult.php?test=220404_BiDcS2_EJ0
i can find the TTFB value of 1117 ms, but, the Target TTFB value of 481 ms i'm not finding!

Exist this value in the result json? If not can i calcule for achieve the same result?

[robsongajunior]

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