Merge branch 'main' of github.com:FunkinCrew/funkin-modding-docs

Author: ninjamuffin99

src/04-custom-stages/04-01-creating-a-stage.md

@@ -157,4 +157,13 @@ The animation names the game uses by default are:
 
 When the game starts, it queries the list of possible characters by searching in the `data/characters` folder for JSON files. This gets used to preload data which is used later when the character is loaded in a stage.
 
-[^stagesource]: <https://github.com/FunkinCrew/funkin.assets/blob/main/preload/data/stages/mainStage.json>
+## Using a Stage in a Song
+
+There are two ways to use your stage in a song once it's implemented.
+
+1. Create a new chart. Open the Chart Editor, start a chart, and select the stage from the `Metadata` toolbox before charting.
+2. Edit an existing chart in your mod. Open the `metadata.json` file and check in `playData` for the `stage` key, and set it to your internal ID.
+
+Once the chart which references your stage is in your mod folder, simply start the game with your mod installed.
+
+[^stagesource]: <https://github.com/FunkinCrew/funkin.assets/blob/main/preload/data/stages/mainStage.json>