diff --git a/docs/function/local-development.md b/docs/function/local-development.md
index 025046e0c..6fe40633e 100644
--- a/docs/function/local-development.md
+++ b/docs/function/local-development.md
@@ -80,6 +80,14 @@ Hello world
 # With JSON event data
 $ vendor/bin/bref-local my-function.php '{"name": "Jane"}'
 Hello Jane
+
+# With a path to a file containing a JSON event.
+$ cat event.json
+{
+    "name": "Alex"
+}
+$ vendor/bin/bref-local --path event.json my-function.php
+Hello Alex
 ```
 
 If you want to run your function in Docker:
diff --git a/src/bref-local b/src/bref-local
index d370bc924..63e77d5ac 100755
--- a/src/bref-local
+++ b/src/bref-local
@@ -18,6 +18,16 @@ if (file_exists(__DIR__ . '/../vendor/autoload.php')) {
 
 $handler = $argv[1] ?? '';
 $data = $argv[2] ?? null;
+$opts = getopt('', ['path:']);
+
+if (isset($opts['path'])) {
+    if (! file_exists($opts['path'])) {
+        throw new Exception('The file ' . $opts['path'] . ' could not be found.');
+    }
+
+    $handler = $argv[array_key_last($argv)];
+    $data = file_get_contents($opts['path']);
+}
 
 try {
     $handler = Bref::getContainer()->get($handler);