Block Components Documentation - minecraft:connection_rule

Defines whether other blocks such as fences, walls, bars, and glass panes are allowed to connect to this block.

Note

Lets a custom block control whether other blocks with connection behavior (fences, walls, bars, glass panes) may visually connect to it. Released alongside the new minecraft:has_fence_connections VanillaBlockTag.

Note

Available without the Upcoming Creator Features experimental toggle for block format versions 1.26.0 or higher.

Note

This item requires a format version of at least 1.21.130.

Block Connection Rule Properties

Name	Default Value	Type	Description	Example Values
accepts_connections_from	all	Accepts Connections From choices	The type of block allowed to connect to this block. Note that the "only_fences" option allows connections from all Vanilla fences excluding NetherBrick.	Block Red Shrub: "none"
enabled_directions	[south, north, east, west]	Enabled Directions choices	The cardinal directions that connection is enabled for. Note that if "none" is specified for "accepts_connections_from", this field will not be used.

Accepts Connections From choices

Value	Title	Description
all	All
none	None
only_fences	Only fences

Enabled Directions choices

Value	Title	Description
east	East
north	North
south	South
west	West

Samples

Block Red Shrub

"minecraft:connection_rule": {
  "accepts_connections_from": "none"
}