How to make a cutout in the background?

Question

Laravel

How to make an adaptive cutout in the background in the form of a wave?
The block is filled with a gradient:

background: linear-gradient(90deg, #9796F0 0%, #FBC7D4 100%);

but at the end of the block there should be a white wave like in the picture:

Answer 1

Does the observer need to be registered in the register method? Documentation should not be read diagonally.

Answer 2

and that in any graph. the editor can not make this background?