How to send data from sapui5 to R3 system?

Hi...i want to send data from sapui5 to R3 system.

1. i have 1 table in R3 system from there i am able retrive the data through odata into my sapui5 application.

2.Now i want set flag in that table when user click on the button

plz all just guide me how to achive this scenario..