Howdy, here's the guide from the Content Patcher page:
Mods for Stardew Valley using SMAPI. Contribute to Pathoschild/StardewMods development by creating an account on GitHub.
github.com
Mods for Stardew Valley using SMAPI. Contribute to Pathoschild/StardewMods development by creating an account on GitHub.
github.com
Specifically, the Relationships sub-section of the "tokens" page; has the part that you found:
Mods for Stardew Valley using SMAPI. Contribute to Pathoschild/StardewMods development by creating an account on GitHub.
github.com
You can technically use both, or just one depending on how specific you want to be.