First, you will click “Search” on the upper left hand side of the screen. You will then click “New Search” and it will bring you to a screen with the term “Vendors:” in the upper right hand corner. It will look like this:
From here, under “Vendors:”, you may begin typing the Vendors name you are wanting to block. Once you have input the Vendors name, click search at the bottom of the page and it will bring you to the page where you can save this as a list. Select “Save as new” and title your list where it says “Name”. It will look like this:
Hit the save button, and proceed to the “Channels” page. This will bring you to a new page and at the top it will say “Blocked Search Filters”. Under that title, click “Edit”, and start typing the name of the previous list you just created. It will look like this:
Click “Save”, and then “Sync Inventory” so that this action will take place and block this Vendor from your marketplace.