Add reference condition

locales/en.json

@@ -3,6 +3,7 @@
 		"$type": {
 			"alternative": "Alternative",
 			"inverted": "Inverted",
+			"reference": "Reference",
 			"entity_properties": "Entity Properties",
 			"block_state_propery": "Block Properties",
 			"match_tool": "Tool Properties",
@@ -17,6 +18,7 @@
 			"survives_explosion": "Survives Explosion"
 		},
 		"type": "Condition",
+		"name": "Predicate Name",
 		"chance": "Chance",
 		"looting_multiplier": "Looting Multiplier",
 		"inverse": "Inverted",

schemas/1.15.json

@@ -488,6 +488,7 @@
           "values": [
             "minecraft:alternative",
             "minecraft:inverted",
+            "minecraft:reference",
             "minecraft:entity_properties",
             {
               "value": "minecraft:block_state_propery",
@@ -517,6 +518,14 @@
             }
           ]
         },
+        {
+          "id": "name",
+          "type": "string",
+          "translate": "$condition.name",
+          "require": [
+            "minecraft:reference"
+          ]
+        },
         {
           "id": "chance",
           "type": "float",