Template:TournamentMedia/doc

Parameters

 * A comma-separated list of dates, representing the first day that should be included in the tab. The first date must be given as  to represent "everything before tab 2." If no content is included in this tab, it won't be printed.
 * The display names for the tabs, sequentially. Comma-separated.
 * , if not specified the template will attempt to determine tournament based on the current page it's on.

Example
On the LCS 2019 Spring media page, you may write the following: On a sandbox page to demonstrate LCS 2019 Spring, you would write: