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snippets/codeigniter4/docs/VALIDATIONS.md

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+### Alternate Snippets for Validation
+
+### Table of Content
+
+- [Alternate Snippets for Validation](#alternate-snippets-for-validation)
+- [Table of Content](#table-of-content)
+- [Validation](#validation)
+  - [Validation in Controller](#validation-in-controller)
+
+### Validation
+
+#### Validation in Controller
+
+- Command
+  ```code
+  ci4:validation:controller
+  ```
+- Output
+
+  ```php
+  $validation = \Config\Services::validation();
+  $rules = [
+    'field_1' => [
+			'label'	=> 'Field 1 Custom Name',
+			'rules' => 'required',
+			'errors' => [
+				'required' => '{field} is required.'
+			]
+		],
+  ];
+  if (!$this->validate($rules)) {
+    return redirect()->to('/route')->withInput()->with('validation', $validation);
+  }
+  ```