diff --git a/behaverse/validators/BehaverseJsonValidator.py b/behaverse/validators/BehaverseJsonValidator.py
index 52d4307..0095431 100644
--- a/behaverse/validators/BehaverseJsonValidator.py
+++ b/behaverse/validators/BehaverseJsonValidator.py
@@ -47,10 +47,15 @@
     valid_json_file = "data/samples/nback_demo_v.json"
     schema_file = "behaverse/validators/nback.schema.json"
 
+    valid_json_file = "behaverse/validators/test.json"
+    schema_file = "behaverse/validators/test.schema.json"
+
+    BehaverseJsonValidator(json_schema_path=schema_file).validate_json_file(valid_json_file)
+
     # load and concat json lines
     #JsonAggregator().convert(original_json_file, valid_json_file)
 
     # load and validate json lines
-    BehaverseJsonValidator(json_schema_path=schema_file).validate_json_file(valid_json_file)
+    #BehaverseJsonValidator(json_schema_path=schema_file).validate_json_file(valid_json_file)
 
     print("Good news everyone! Behaverse JSON file is valid!")
\ No newline at end of file

diff --git a/behaverse/validators/BehaverseJsonValidator.py b/behaverse/validators/BehaverseJsonValidator.py
index 52d4307..0095431 100644
--- a/behaverse/validators/BehaverseJsonValidator.py
+++ b/behaverse/validators/BehaverseJsonValidator.py
@@ -47,10 +47,15 @@
     valid_json_file = "data/samples/nback_demo_v.json"
     schema_file = "behaverse/validators/nback.schema.json"
 
+    valid_json_file = "behaverse/validators/test.json"
+    schema_file = "behaverse/validators/test.schema.json"
+
+    BehaverseJsonValidator(json_schema_path=schema_file).validate_json_file(valid_json_file)
+
     # load and concat json lines
     #JsonAggregator().convert(original_json_file, valid_json_file)
 
     # load and validate json lines
-    BehaverseJsonValidator(json_schema_path=schema_file).validate_json_file(valid_json_file)
+    #BehaverseJsonValidator(json_schema_path=schema_file).validate_json_file(valid_json_file)
 
     print("Good news everyone! Behaverse JSON file is valid!")
\ No newline at end of file
diff --git a/behaverse/validators/test.json b/behaverse/validators/test.json
new file mode 100644
index 0000000..951a254
--- /dev/null
+++ b/behaverse/validators/test.json
@@ -0,0 +1,7 @@
+{
+  "base": {},
+  "types": ["c13"],
+  "custom": {
+    "c2": "hello"
+  }
+}

diff --git a/behaverse/validators/BehaverseJsonValidator.py b/behaverse/validators/BehaverseJsonValidator.py
index 52d4307..0095431 100644
--- a/behaverse/validators/BehaverseJsonValidator.py
+++ b/behaverse/validators/BehaverseJsonValidator.py
@@ -47,10 +47,15 @@
     valid_json_file = "data/samples/nback_demo_v.json"
     schema_file = "behaverse/validators/nback.schema.json"
 
+    valid_json_file = "behaverse/validators/test.json"
+    schema_file = "behaverse/validators/test.schema.json"
+
+    BehaverseJsonValidator(json_schema_path=schema_file).validate_json_file(valid_json_file)
+
     # load and concat json lines
     #JsonAggregator().convert(original_json_file, valid_json_file)
 
     # load and validate json lines
-    BehaverseJsonValidator(json_schema_path=schema_file).validate_json_file(valid_json_file)
+    #BehaverseJsonValidator(json_schema_path=schema_file).validate_json_file(valid_json_file)
 
     print("Good news everyone! Behaverse JSON file is valid!")
\ No newline at end of file
diff --git a/behaverse/validators/test.json b/behaverse/validators/test.json
new file mode 100644
index 0000000..951a254
--- /dev/null
+++ b/behaverse/validators/test.json
@@ -0,0 +1,7 @@
+{
+  "base": {},
+  "types": ["c13"],
+  "custom": {
+    "c2": "hello"
+  }
+}
diff --git a/behaverse/validators/test.schema.json b/behaverse/validators/test.schema.json
new file mode 100644
index 0000000..1d2f26b
--- /dev/null
+++ b/behaverse/validators/test.schema.json
@@ -0,0 +1,53 @@
+{
+  "definitions": {
+    "c1": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "c1": {"type": "object"}
+      }
+    },
+    "c2": {
+      "type": "string"
+    }
+  },
+  "type": "object",
+  "properties": {
+      "base": {
+        "type": "object"
+      },
+      "types": {
+          "type": "array",
+          "minItems": 1,
+          "items": {
+            "type": "string",
+            "enum": ["c1", "c2", "c3"]
+          }
+      },
+      "custom": {
+        "oneOf": [
+          {
+            "if": {
+              "properties": {
+                "types": {
+                  "type": "array",
+                  "contains": {"type":"string", "enum": ["c1"]}}}},
+            "then": {
+              "$ref": "#/definitions/c1"
+            }
+          },
+          {
+            "if": {
+              "properties": {
+                "types": {
+                  "type": "array",
+                  "contains": {"type":"string", "enum": ["c2"]}}}},
+            "then": {
+              "$ref": "#/definitions/c2"
+            }
+          }
+        ]
+      }
+  },
+  "required": [ "base", "types", "custom" ]
+}
\ No newline at end of file