There are a few things you need to know in order to make a compound path in Illustrator. First, you will need to create a path object. This object will be used to create the compound path. Next, you will need to create the children objects for the compound path. These objects will be used to connect the endpoints of the compound path. Finally, you will need to create the fill object and set its color to black. This will complete your compound path in Illustrator.