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+Both the Simple and [Advanced Editor](https://github.com/robweber/xbmcbackup/wiki/Advanced-Editor) read in the list of files to Backup via a custom_paths.json file. This file lists the directories to be included in each backup set. Each set can have included or excluded directories. Additionally included directories can be recursed true/false. An example file for the simple pre-sets is below:
+
+```
+{
+	"addons":{
+		"root":"special://home/addons",
+		"dirs":[
+			{
+				"type":"include",
+				"path":"special://home/addons",
+				"recurse":true
+			},
+			{
+				"type":"exclude",
+				"path":"special://home/addons/packages"
+			}
+		]
+	},
+	"addon_data":{
+			"root":"special://home/userdata/addon_data",
+			"dirs":[
+			{
+				"type":"include",
+				"path":"special://home/userdata/addon_data",
+				"recurse":true
+			}
+		]
+	}
+}
+```
+
+Each directory set will create a folder within the backup for it's files. These are done separately, even if sets are pulling from the same folder.
+
+Also during the backup the file selections are recorded in the backup validation file. These are used on restore to restore directories that actually were included in the backup.
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