diff --git a/source/behavior/blocks/format/components/support.json b/source/behavior/blocks/format/components/support.json
new file mode 100644
index 00000000..f5deee49
--- /dev/null
+++ b/source/behavior/blocks/format/components/support.json
@@ -0,0 +1,16 @@
+{
+  "$id": "blockception.minecraft.behavior.blocks.minecraft.support",
+  "title": "Support",
+  "description": "Defines the support shape of the block. Currently only allows for blocks to have the same shape as a Vanilla fence and Vanilla stair. To work with custom stairs, requires the use of minecraft:vertical_half and minecraft:cardinal_direction or minecraft:facing_direction which can be set through the minecraft:placement_direction block trait. Custom blocks without this component will default to unit cube support.",
+  "additionalProperties": false,
+  "type": "object",
+  "required": ["shape"],
+  "properties": {
+    "shape": {
+      "title": "Shape",
+      "description": "The type of support shape for this block.",
+      "type": "string",
+      "enum": ["fence", "stair"]
+    }
+  }
+}