I am developing my own lookup field.
I want it to have dynamically filtered values collection depends on user which makes new item.
What method of lookupfield class I should override to make my own collection of values to send on client to render there?
I need send from server to client side additional info about items in related lookup list as well.
And all this I really need to do on server side.
Multiple solutions all about client side... REST CSOM JSLINK CSR..
Any advice please about server.