diff --git a/force-app/main/default/objects/Opportunity/fields/Days_Open__c.field-meta.xml b/force-app/main/default/objects/Opportunity/fields/Days_Open__c.field-meta.xml
new file mode 100644
index 0000000..799abef
--- /dev/null
+++ b/force-app/main/default/objects/Opportunity/fields/Days_Open__c.field-meta.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<CustomField xmlns="http://soap.sforce.com/2006/04/metadata">
+    <fullName>Days_Open__c</fullName>
+    <externalId>false</externalId>
+    <formula>TODAY() - DATEVALUE(CreatedDate)</formula>
+    <formulaTreatBlanksAs>BlankAsZero</formulaTreatBlanksAs>
+    <label>Days Open</label>
+    <precision>18</precision>
+    <required>false</required>
+    <scale>0</scale>
+    <trackTrending>false</trackTrending>
+    <type>Number</type>
+    <unique>false</unique>
+</CustomField>
diff --git a/sfdx-project.json b/sfdx-project.json
new file mode 100644
index 0000000..9d42044
--- /dev/null
+++ b/sfdx-project.json
@@ -0,0 +1,12 @@
+{
+  "packageDirectories": [
+    {
+      "path": "force-app",
+      "default": true
+    }
+  ],
+  "name": "TrailHead_VibeChallenge",
+  "namespace": "",
+  "sfdcLoginUrl": "https://login.salesforce.com",
+  "sourceApiVersion": "60.0"
+}