ScreenShot of specific section in a webpage

Scenario: I have to take a screenshot of a section in a webpage.

Steps to reproduce: Present i am passing down arrow key and doing it.But i have to do it dynamically, such that there are few cases where the section is too big and i am not aware of how many down keys i have to send

Current Behavior: now only the visible part is coming and the rest is black screen under that

Expected Behavior: i need to get that full section pic.

Studio/Robot/Orchestrator Version:

Last stable behavior:
Last stable version:
OS Version:
Others if Relevant: (workflow, logs, .net version, service pack, etc):

Does that mean you have to scroll in order to see the whole section?

Yes… I have scroll down