This shortcode presents bus lists.
[wbtm-bus-list cat='5' show='20']
1. Here show parameter contains the number of buses that will display.
2. And cat parameter contains the category ID of Bus type.
How to get the category ID:
Please go Bus->Bus Type. Please put the cursor over the Edit link of the category. You will see the link with tag_id at the bottom. Here, tag_id is the category ID.