Goal: In the eBay app, search for Digital Cameras in the Cameras and Photo category 
Steps:
action: action_type: click
step_instruction: Click on the three-line menu at the top left corner.
action: action_type: click
step_instruction: Click on Categories
action: action_type: click
step_instruction: Go to the Cameras & Photo categories
action: action_type: click
step_instruction: Click on Digital Cameras