diff --git a/_config/config.yml b/_config/config.yml
new file mode 100644
index 0000000..586e40b
--- /dev/null
+++ b/_config/config.yml
@@ -0,0 +1,6 @@
+---
+Name: externalurlfield
+---
+SilverStripe\Core\Injector\Injector:
+  ExternalURL:
+    class: BurnBright\ExternalURLField\ExternalURL
diff --git a/composer.json b/composer.json
index ad3c80c..1682378 100644
--- a/composer.json
+++ b/composer.json
@@ -1,26 +1,33 @@
 {
-	"name": "burnbright/silverstripe-externalurlfield",
-	"description": "Provides SilverStripe with a DBField and FormField for handling external URLs.",
-	"type": "silverstripe-module",
-	"license": "MIT",
-	"keywords": ["silverstripe", "url", "link", "form", "field"],
-	"require": {
-		"silverstripe/framework": "^4.0@dev",
-		"jakeasmith/http_build_url": "^1"
-	},
+    "name": "burnbright/silverstripe-externalurlfield",
+    "description": "Provides SilverStripe with a DBField and FormField for handling external URLs.",
+    "type": "silverstripe-vendormodule",
+    "license": "MIT",
+    "keywords": [
+        "silverstripe",
+        "url",
+        "link",
+        "form",
+        "field"
+    ],
+    "require": {
+        "silverstripe/framework": "^4.0",
+        "silverstripe/vendor-plugin": "^1.0",
+        "jakeasmith/http_build_url": "^1"
+    },
     "require-dev": {
         "phpunit/phpunit": "^5.7"
     },
-	"extra": {
-		"installer-name": "externalurlfield"
-	},
-	"authors": [
-		{
-			"name": "Jeremy Shipman",
-			"homepage": "https://github.com/jedateach",
-			"role": "Developer"
-		}
-	],
+    "extra": {
+        "installer-name": "externalurlfield"
+    },
+    "authors": [
+        {
+            "name": "Jeremy Shipman",
+            "homepage": "https://github.com/jedateach",
+            "role": "Developer"
+        }
+    ],
     "autoload": {
         "psr-4": {
             "BurnBright\\ExternalURLField\\": "src/",
diff --git a/src/ExternalURLField.php b/src/ExternalURLField.php
index b08b4f6..c23cd4e 100644
--- a/src/ExternalURLField.php
+++ b/src/ExternalURLField.php
@@ -120,6 +120,8 @@ public function getAttributes()
     /**
      * Rebuild url on save
      * @param string $url
+     * @param array|DataObject $data {@see Form::loadDataFrom}
+     * @return $this
      */
     public function setValue($url, $data = NULL)
     {