diff --git a/src/Console/MacrosCommand.php b/src/Console/MacrosCommand.php
index 216546c..d81e61f 100644
--- a/src/Console/MacrosCommand.php
+++ b/src/Console/MacrosCommand.php
@@ -7,7 +7,7 @@
 class MacrosCommand extends Command
 {
     /** @var string The name and signature of the console command */
-    protected $signature = 'ide-helper:macros';
+    protected $signature = 'ide-helper:macros {--filename=}';
 
     /** @var string The console command description */
     protected $description = 'Generate an IDE helper file for Laravel macros';
@@ -60,7 +60,7 @@ public function handle()
     {
         $classes = array_merge($this->classes, config('ide-macros.classes', []));
 
-        $fileName = config('ide-macros.filename');
+        $fileName = $this->option('filename') ?: config('ide-macros.filename');
         $this->file = fopen(base_path($fileName), 'w');
         $this->writeLine("<?php");
 
@@ -89,7 +89,13 @@ public function handle()
             $this->generateNamespace($reflection->getNamespaceName(), function () use ($macros, $reflection) {
                 $this->generateClass($reflection->getShortName(), function () use ($macros) {
                     foreach ($macros as $name => $macro) {
-                        $function = new \ReflectionFunction($macro);
+                        if(is_array($macro)) {
+                            list($class, $method) = $macro;
+                            $function = new \ReflectionMethod(is_object($class) ? get_class($class) : $class, $method);
+                        } else {
+                            $function = new \ReflectionFunction($macro);
+                        }
+
                         if ($comment = $function->getDocComment()) {
                             $this->writeLine($comment, $this->indent);