category – Display courses from a specific Course Category only. Use a category’s “slug”. If omitted, will display courses from all categories.
id – Display only a specific course. Use the Courses’s Post ID. You can list multiple courses by separating IDs with commas.
posts_per_page – Determines the number of results to display. Default returns all available courses.
per_row – Determines the number of courses to show per row. Default is 3.
enable_slider – set to 1 to enable slider. Default is without slider.