--- /dev/null
+<?php
+
+namespace Drupal\workflow_type_test\Form;
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\workflows\Plugin\WorkflowTypeTransitionFormBase;
+
+/**
+ * Form to configure the complex test workflow states.
+ *
+ * @see \Drupal\workflow_type_test\Plugin\WorkflowType\ComplexTestType
+ */
+class ComplexTestTypeTransitionForm extends WorkflowTypeTransitionFormBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
+ $transition = $form_state->get('transition');
+ $configuration = $this->workflowType->getConfiguration();
+ $form['extra'] = [
+ '#type' => 'textfield',
+ '#title' => $this->t('Extra'),
+ '#description' => $this->t('Extra information added to transition'),
+ '#default_value' => $transition && isset($configuration['transitions'][$transition->id()]['extra']) ? $configuration['transitions'][$transition->id()]['extra'] : '',
+ ];
+ return $form;
+ }
+
+}