adding the inGroup information to the docs

1 files changed, 13 insertions, 1 deletions

diff --git a/docs/groups.md b/docs/groups.md
index a9ec164..d02ff41 100644
--- a/docs/groups.md
+++ b/docs/groups.md
@@ -38,4 +38,16 @@ foreach ($users as $user) {
     echo 'Username: '.$user->username."\n";
 }
 ?>
-```
\ No newline at end of file
+```
+
+## Checking to see if a user is in a group
+
+You can use the `inGroup` method to check and see if a user ID is in a group:
+
+```php
+<?php
+if (Gatekeeper::findGroupById(1)->inGroup(1) === true) {
+	echo 'User is in the group!';
+}
+?>
+```