diff --git a/drealty.tokens.inc b/drealty.tokens.inc
new file mode 100644
index 0000000..faf5801
--- /dev/null
+++ b/drealty.tokens.inc
@@ -0,0 +1,75 @@
+<?php
+/**
+ * @file
+ * Token functionality for dRealty.
+ */
+
+/**
+ * Implements hook_token_info().
+ */
+function drealty_token_info() {
+  return array(
+    'types' => array(
+      'drealty-class' => array(
+        'name' => t('Drealty class'),
+        'description' => t('Tokens related to a Drealty class.'),
+        'needs-data' => 'drealty-class',
+      ),
+    ),
+    'tokens' => array(
+      'drealty-class' => array(
+        'systemname' => array(
+          'name' => t('System name'),
+          'description' => t('The System Name of the class.'),
+        ),
+        'standardname' => array(
+          'name' => t('Standard name'),
+          'description' => t('The Standard Name of the class.'),
+        ),
+        'visiblename' => array(
+          'name' => t('Visible name'),
+          'description' => t('The Visible Name of the class.'),
+        ),
+        'last_updated' => array(
+          'name' => t('Last updated'),
+          'description' => t('Timestamp for the last successful update. (%date)', array('%date' => format_date(REQUEST_TIME, 'custom', 'Y-m-d\TH:i:s', NULL, NULL))),
+          'type' => 'date',
+        ),
+      ),
+    ),
+  );
+}
+
+/**
+ * Implements hook_tokens().
+ */
+function drealty_tokens($type, $tokens, array $data = array(), array $options = array()) {
+  $replacements = array();
+
+  $sanitize = !empty($options['sanitize']);
+
+  if ($type == 'drealty-class' && !empty($data['drealty-class'])) {
+    $class = $data['drealty-class'];
+    foreach ($tokens as $name => $original) {
+      switch ($name) {
+        case 'systemname':
+          $replacements[$original] = $sanitize ? check_plain($class->systemname) : $class->systemname;
+          break;
+        case 'standardname':
+          $replacements[$original] = $sanitize ? check_plain($class->standardname) : $class->standardname;
+          break;
+        case 'visiblename':
+          $replacements[$original] = $sanitize ? check_plain($class->visiblename) : $class->visiblename;
+          break;
+        case 'last_updated':
+          $replacements[$original] = format_date($class->lastupdate, 'custom', 'Y-m-d\TH:i:s', NULL, NULL);
+      }
+    }
+
+    if ($timestamp_tokens = token_find_with_prefix($tokens, 'last_updated')) {
+      $replacements += token_generate('date', $timestamp_tokens, array('date' => $class->lastupdate), $options);
+    }
+  }
+
+  return $replacements;
+}