Get analog data from blynk to NodeMCU

hello guys.
I have project about use MCU read analog data input from Blynk. i want to input value from keyboard to blynk, and use MCU read my value from Blynk to PIN of MCU. But I have no idea about this
I want to all of you, whose know about my trouble, suggest me idea to complete my project
Thanks in advance !
I’m from VIETNAM <3