BackpackInfo

For each type, the table will list each config and potentially its purpose and default values.
Keyword
Type
Default
Purpose
slots
int
-
Number of inventory slots. Note: the amount of slots must be in multiples of 9.
container
String
-
Name or location of the container texture file, relative to "textures/gui/container/%s".
xSize
int
-
The x size of the texture file.
ySize
int
-
The y size of the texture file.
(Minecraft GUI textures are 256 x 256, with the actual texture starting in the top left.)