The External Storage is a block that provides the storage network with storage of the inventory or fluid tank in front of the device.
A (negative or positive) priority can be chosen (where a higher priority gets higher precedence to place items in).
Whitelist and blacklist
There is also a whitelist and blacklist option to only allow or forbid some items or fluids from entering the connected inventory.
The whitelist or blacklist can be configured to be NBT or damage sensitive.
The External Storage has support for the following modes:
Insert and extract (default)