diff --git a/natives.json b/natives.json
index 7f73005..f86a2c7 100755
--- a/natives.json
+++ b/natives.json
@@ -12150,7 +12150,8 @@
 				},
 				{
 					"type": "BOOL",
-					"name": "alive"
+					"name": "alive",
+					"default": "FALSE"
 				}
 			],
 			"return_type": "Vector3",
@@ -14560,7 +14561,8 @@
 				},
 				{
 					"type": "int",
-					"name": "p2"
+					"name": "p2",
+					"default": "0"
 				}
 			],
 			"return_type": "void",
@@ -69373,7 +69375,8 @@
 				},
 				{
 					"type": "BOOL",
-					"name": "includeEntering"
+					"name": "includeEntering",
+					"default": "FALSE"
 				}
 			],
 			"return_type": "Vehicle",
@@ -85467,7 +85470,8 @@
 				},
 				{
 					"type": "int",
-					"name": "p8"
+					"name": "p8",
+					"default": "0"
 				}
 			],
 			"return_type": "int",
diff --git a/schema.json b/schema.json
index 8ce4962..58fba47 100644
--- a/schema.json
+++ b/schema.json
@@ -22,6 +22,10 @@
 									"name": {
 										"type": "string",
 										"pattern": "^[A-Za-z_]+[A-Za-z0-9_]*$"
+									},
+									"default": {
+										"type": "string",
+										"pattern": "^(0|TRUE|FALSE)$"
 									}
 								},
 								"required": ["type", "name"],