diff --git a/action/action_auditoria_detalle.php b/action/action_auditoria_detalle.php
new file mode 100644
index 0000000..52336af
--- /dev/null
+++ b/action/action_auditoria_detalle.php
@@ -0,0 +1,47 @@
+<?php
+#input $_GET['id_espacio_sgu']
+#output rutas: [ ...ruta, salones: [{...salon}] ]
+header('Content-Type: application/json charset=utf-8');
+ini_set('memory_limit', '2048M');
+ini_set('post_max_size', '2048M');
+ini_set('display_errors', 1);
+ini_set('display_startup_errors', 1);
+error_reporting(E_ALL);
+
+$ruta = "..";
+require_once "$ruta/class/c_login.php";
+if (!isset($_SESSION['user'])) {
+    http_response_code(401);
+    die(json_encode(['error' => 'unauthorized']));
+}
+$user = unserialize($_SESSION['user']);
+
+// check method
+try {
+    if ($_SERVER['REQUEST_METHOD'] === 'GET') {
+
+        $data = $db
+            ->where('horario_id', $_GET['horario_id'])
+            ->where('profesor_id', $_GET['profesor_id'])
+            ->getOne('auditoria_mat');
+        // Print the JSON file
+        echo json_encode($data);
+    } else {
+        http_response_code(405);
+        echo json_encode(['error' => 'method not allowed']);
+        exit;
+    }
+} catch (PDOException $th) {
+    http_response_code(500);
+    echo json_encode([
+        'error' => $th->getMessage(),
+        // 'query' => $db->getLastQuery(),
+    ], JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_PARTIAL_OUTPUT_ON_ERROR);
+    exit;
+} catch (Exception $th) {
+    http_response_code(500);
+    echo json_encode([
+        'error' => $th->getMessage(),
+    ], JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
+    exit;
+}
\ No newline at end of file