diff --git a/src/Rules/Exists.php b/src/Rules/Exists.php
new file mode 100644
index 0000000..32bb5de
--- /dev/null
+++ b/src/Rules/Exists.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace ZiffMedia\NovaEloquentImagery\Rules;
+
+use Illuminate\Contracts\Validation\InvokableRule;
+
+class Exists implements InvokableRule
+{
+    public function __invoke($attribute, $value, $fail)
+    {
+        $formData = json_decode($value, true);
+
+        if (is_null($formData)) {
+            $fail('This image is required.');
+        }
+    }
+}