This directory contains a few example scenes:
inventory_transfer.tscn- Displaying two basic inventories (Inventory) and transferring items between them.
inventory_stacked_transfer.tscn- Displaying two inventories (Inventory) with item stacks and weight constraints (WeightConstraint) and transferring items between them.
inventory_grid_transfer.tscn- Displaying two inventories (Inventory) with grid constraints (GridConstraint) and transferring items between them.
inventory_grid_stacked_transfer.tscn- A combination of the previous two examples: displaying two inventories (Inventory) with grid and weight constraints, and transferring items between them.