Created an own capability for step duplicates interaction

step/duplicate/db/access.php

+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Capability definitions for the duplication step subplugin
+ * @package    lifecycle_step
+ * @subpackage duplication
+ * @copyright  2017 Tobias Reischmann WWU
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+defined('MOODLE_INTERNAL') || die();
+
+$capabilities = array(
+
+    'lifecyclestep/duplicate:enterdata' => array(
+        'contextlevel' => CONTEXT_COURSE,
+        'captype' => 'write',
+        'archetypes' => array(
+            'editingteacher' => CAP_ALLOW,
+        ),
+        'clonepermissionsfrom' => 'tool/lifecycle:managecourses'
+    ),
+);
+
+
+

step/duplicate/interactionlib.php

@@ -47,7 +47,7 @@ class interactionduplicate extends interactionlibbase {
      * @return string capability string.
      */
     public function get_relevant_capability() {
-        return 'lifecyclestep/email:preventdeletion';
+        return 'lifecyclestep/duplicate:enterdata';
     }
 
     /**

step/duplicate/lang/en/lifecyclestep_duplicate.php

@@ -31,3 +31,5 @@ $string['duplicate_course_header'] = 'Duplicate Course';
 $string['status_message_duplication'] = 'Duplicated course will be available shortly.';
 $string['status_message_form'] = 'Additional information required';
 $string['action_new_course_data'] = '{$a} supplied new course name';
+
+$string['duplicate:enterdata'] = 'Enter data for course duplication';
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