how can i get "body" values?

[Frank Liou]

how can i get body values use variable to Separate catch?

https://lh3.googleusercontent.com/-6Ywp4GukuCM/U7-vhF0nzuI/AAAAAAAABv4/Ovcr1O2FScs/s1600/321.jpg

i want to catch name and key values

now i use request.data

i can catch all the body 

but how can i use variable to separate and catch?