diff --git a/examples/sample_dag.json b/examples/sample_dag.json
index 5327e08..2b2bbf9 100644
--- a/examples/sample_dag.json
+++ b/examples/sample_dag.json
@@ -1,11 +1,83 @@
 {
-  "tag": "testdag",
-  "tasks": {
-    "A": { "job": { "command": [ "/usr/bin/echo", "hello" ], "cores": "1", "memoryMB": "100" }, "children": [ "b", "c", "d" ]},
-    "b": { "job": { "command": [ "/usr/bin/sleep", "2" ], "cores": "1", "memoryMB": "100" }, "children": [ "d" ]},
-    "c": { "job": { "command": [ "/usr/bin/echo", "hello" ], "cores": "1", "memoryMB": "100" }, "children": [ "e", "f" ]},
-    "d": { "job": { "command": [ "/usr/bin/echo", "hello" ], "cores": "1", "memoryMB": "100" }, "children": [ "f" ]},
-    "e": { "job": { "command": [ "/usr/bin/echo", "hello" ], "cores": "1", "memoryMB": "100" }, "children": [ "f" ]},
-    "f": { "job": { "command": [ "/usr/bin/echo", "hello" ], "cores": "1", "memoryMB": "100" }}
-  }
+    "tag": "testdag",
+    "parameters": {
+        "DATES": [
+            "2022-01-01",
+            "2022-01-02"
+        ]
+    },
+    "tasks": {
+        "A": {
+            "job": {
+                "command": [
+                    "/usr/bin/echo",
+                    "A",
+                    "{{DATE}}"
+                ]
+            },
+            "children": [
+                "b",
+                "c",
+                "d"
+            ]
+        },
+        "b": {
+            "job": {
+                "command": [
+                    "/usr/bin/sleep",
+                    "B",
+                    "{{DATE}"
+                ]
+            },
+            "children": [
+                "d"
+            ]
+        },
+        "c": {
+            "job": {
+                "command": [
+                    "/usr/bin/echo",
+                    "C",
+                    "{{DATE}"
+                ]
+            },
+            "children": [
+                "e",
+                "f"
+            ]
+        },
+        "d": {
+            "job": {
+                "command": [
+                    "/usr/bin/echo",
+                    "D",
+                    "{{DATE}"
+                ]
+            },
+            "children": [
+                "f"
+            ]
+        },
+        "e": {
+            "job": {
+                "command": [
+                    "/usr/bin/echo",
+                    "E",
+                    "{{DATE}"
+                ]
+            },
+            "children": [
+                "f"
+            ]
+        },
+        "f": {
+            "job": {
+                "command": [
+                    "/usr/bin/echo",
+                    "F",
+                    "{{DATE}"
+                ]
+            }
+        }
+    }
 }