PIxel binning

1.Which seller did you purchase the product(s) from?
2.The Model number of the product(s) you have purchased?
Product Code: B0250
3.Which Platform are you using the product(s) on?
Jetson Nano B01
4.Which instruction are you following?
5.Has your product ever worked properly?
yes it works fine
6.What problems are you experiencing?
i need to access this mode to capture an image and to process it in opencv.

i want to increase the frame rate to 240 and to capture more light hence in need the pixel binning mode

n.b. i am using gstreamer to capture frames
7.What attempts at troubleshooting have you already made?
i have searched over the internet with no luck.
8.How would you like us to help you?
please help me either with gstreamer pipeline to achieve the pixel binning mode/ any other way to achieve that.