How i can edit a Form Data before send data ?

Scheduler Javascript
#1

How i can edit a Form Data before sending the data to the server? Is there a way to enter a value in the Form Data manually? Example: 1498788067422_MyNewValue: 9999? How to do this ?

see attached image:

#2

Hello,

You can use FormData.set() method to set a new value for an existing key inside a FormData object:
developer.mozilla.org/en-US/doc … I/FormData