C++ Classes not showing up in content browser

This worked for me too, thanks.

Something that tripped me up for a while was the necessary , if there are other stuff after it.

{
	"FileVersion": 3,
	"EngineAssociation": "4.27",
	"Category": "",
	"Description": "",
	"Modules": [
		{
			"Name": "MyProject",
			"Type": "Runtime",
			"LoadingPhase": "Default",
			"AdditionalDependencies": [
				"Engine"
			]
		}
	], // Must have a comma here
        "Plugins":[
                {
			"Name": "PluginName",
			"Enabled": true
		},
	]
}