diff --git a/modules/entity_form/src/Plugin/EntityBrowser/Widget/EntityForm.php b/modules/entity_form/src/Plugin/EntityBrowser/Widget/EntityForm.php
index 90fe0b0..0ce8834 100644
--- a/modules/entity_form/src/Plugin/EntityBrowser/Widget/EntityForm.php
+++ b/modules/entity_form/src/Plugin/EntityBrowser/Widget/EntityForm.php
@@ -22,7 +22,7 @@ use Drupal\Core\Entity\EntityDisplayRepositoryInterface;
  *   id = "entity_form",
  *   label = @Translation("Entity form"),
  *   description = @Translation("Provides entity form widget."),
- *   autoSelect = FALSE
+ *   auto_select = FALSE
  * )
  */
 class EntityForm extends WidgetBase {
diff --git a/src/Annotation/EntityBrowserSelectionDisplay.php b/src/Annotation/EntityBrowserSelectionDisplay.php
index a729234..fe54f95 100644
--- a/src/Annotation/EntityBrowserSelectionDisplay.php
+++ b/src/Annotation/EntityBrowserSelectionDisplay.php
@@ -60,6 +60,6 @@ class EntityBrowserSelectionDisplay extends Plugin {
    *
    * @var bool
    */
-  public $jsCommands = FALSE;
+  public $js_commands = FALSE;
 
 }
diff --git a/src/Annotation/EntityBrowserWidget.php b/src/Annotation/EntityBrowserWidget.php
index d8a512e..22a059a 100644
--- a/src/Annotation/EntityBrowserWidget.php
+++ b/src/Annotation/EntityBrowserWidget.php
@@ -45,6 +45,6 @@ class EntityBrowserWidget extends Plugin {
    *
    * @var bool
    */
-  public $autoSelect = FALSE;
+  public $auto_select = FALSE;
 
 }
diff --git a/src/Plugin/EntityBrowser/SelectionDisplay/MultiStepDisplay.php b/src/Plugin/EntityBrowser/SelectionDisplay/MultiStepDisplay.php
index b943143..2609bd3 100644
--- a/src/Plugin/EntityBrowser/SelectionDisplay/MultiStepDisplay.php
+++ b/src/Plugin/EntityBrowser/SelectionDisplay/MultiStepDisplay.php
@@ -21,7 +21,7 @@ use Symfony\Component\EventDispatcher\EventDispatcherInterface;
  *   label = @Translation("Multi step selection display"),
  *   description = @Translation("Shows the current selection display, allowing to mix elements selected through different widgets in several steps."),
  *   acceptPreselection = TRUE,
- *   jsCommands = TRUE
+ *   js_commands = TRUE
  * )
  */
 class MultiStepDisplay extends SelectionDisplayBase {
diff --git a/src/Plugin/EntityBrowser/SelectionDisplay/NoDisplay.php b/src/Plugin/EntityBrowser/SelectionDisplay/NoDisplay.php
index 6d9f914..1a1dbae 100644
--- a/src/Plugin/EntityBrowser/SelectionDisplay/NoDisplay.php
+++ b/src/Plugin/EntityBrowser/SelectionDisplay/NoDisplay.php
@@ -13,7 +13,7 @@ use Drupal\entity_browser\SelectionDisplayBase;
  *   label = @Translation("No selection display"),
  *   description = @Translation("Skips the current selection display and immediately delivers the entities selected."),
  *   acceptPreselection = FALSE,
- *   jsCommands = FALSE
+ *   js_commands = FALSE
  * )
  */
 class NoDisplay extends SelectionDisplayBase {
diff --git a/src/Plugin/EntityBrowser/SelectionDisplay/View.php b/src/Plugin/EntityBrowser/SelectionDisplay/View.php
index 8001cda..c9722aa 100644
--- a/src/Plugin/EntityBrowser/SelectionDisplay/View.php
+++ b/src/Plugin/EntityBrowser/SelectionDisplay/View.php
@@ -15,7 +15,7 @@ use Drupal\views\Views;
  *   label = @Translation("View selection display"),
  *   description = @Translation("Use a pre-configured view as selection area."),
  *   acceptPreselection = TRUE,
- *   jsCommands = FALSE
+ *   js_commands = FALSE
  * )
  */
 class View extends SelectionDisplayBase {
diff --git a/src/Plugin/EntityBrowser/Widget/Upload.php b/src/Plugin/EntityBrowser/Widget/Upload.php
index c031749..9b5493c 100644
--- a/src/Plugin/EntityBrowser/Widget/Upload.php
+++ b/src/Plugin/EntityBrowser/Widget/Upload.php
@@ -20,7 +20,7 @@ use Symfony\Component\EventDispatcher\EventDispatcherInterface;
  *   id = "upload",
  *   label = @Translation("Upload"),
  *   description = @Translation("Adds an upload field browser's widget."),
- *   autoSelect = FALSE
+ *   auto_select = FALSE
  * )
  */
 class Upload extends WidgetBase {
diff --git a/src/Plugin/EntityBrowser/Widget/View.php b/src/Plugin/EntityBrowser/Widget/View.php
index 1d561d8..e9794c0 100644
--- a/src/Plugin/EntityBrowser/Widget/View.php
+++ b/src/Plugin/EntityBrowser/Widget/View.php
@@ -23,7 +23,7 @@ use Drupal\Core\Entity\EntityTypeManagerInterface;
  *   label = @Translation("View"),
  *   provider = "views",
  *   description = @Translation("Uses a view to provide entity listing in a browser's widget."),
- *   autoSelect = TRUE
+ *   auto_select = TRUE
  * )
  */
 class View extends WidgetBase implements ContainerFactoryPluginInterface {
diff --git a/src/SelectionDisplayBase.php b/src/SelectionDisplayBase.php
index 218bd94..c48137a 100644
--- a/src/SelectionDisplayBase.php
+++ b/src/SelectionDisplayBase.php
@@ -135,7 +135,7 @@ abstract class SelectionDisplayBase extends PluginBase implements SelectionDispl
    * {@inheritdoc}
    */
   public function supportsJsCommands() {
-    return $this->getPluginDefinition()['jsCommands'];
+    return $this->getPluginDefinition()['js_commands'];
   }
 
   /**
diff --git a/src/WidgetBase.php b/src/WidgetBase.php
index 704742a..0916751 100644
--- a/src/WidgetBase.php
+++ b/src/WidgetBase.php
@@ -125,7 +125,7 @@ abstract class WidgetBase extends PluginBase implements WidgetInterface, Contain
     // Check if widget supports auto select functionality and expose config to
     // front-end javascript.
     $autoSelect = FALSE;
-    if ($this->getPluginDefinition()['autoSelect']) {
+    if ($this->getPluginDefinition()['auto_select']) {
       $autoSelect = $this->configuration['auto_select'];
       $form['#attached']['drupalSettings']['entity_browser_widget']['auto_select'] = $autoSelect;
     }
@@ -156,7 +156,7 @@ abstract class WidgetBase extends PluginBase implements WidgetInterface, Contain
     ];
 
     // If auto select is supported by Widget, append default configuration.
-    if ($this->getPluginDefinition()['autoSelect']) {
+    if ($this->getPluginDefinition()['auto_select']) {
       $defaultConfig['auto_select'] = FALSE;
     }
 
@@ -215,8 +215,8 @@ abstract class WidgetBase extends PluginBase implements WidgetInterface, Contain
       '#default_value' => $this->configuration['submit_text'],
     ];
 
-    // Allow "auto_select" setting when autoSelect is supported by widget.
-    if ($this->getPluginDefinition()['autoSelect']) {
+    // Allow "auto_select" setting when auto_select is supported by widget.
+    if ($this->getPluginDefinition()['auto_select']) {
       $form['auto_select'] = [
         '#type' => 'checkbox',
         '#title' => $this->t('Automatically submit selection'),
@@ -354,7 +354,7 @@ abstract class WidgetBase extends PluginBase implements WidgetInterface, Contain
    * {@inheritdoc}
    */
   public function requiresJsCommands() {
-    return $this->getPluginDefinition()['autoSelect'] && $this->getConfiguration()['settings']['auto_select'];
+    return $this->getPluginDefinition()['auto_select'] && $this->getConfiguration()['settings']['auto_select'];
   }
 
 }
diff --git a/tests/modules/entity_browser_test/src/Plugin/EntityBrowser/Widget/DummyWidget.php b/tests/modules/entity_browser_test/src/Plugin/EntityBrowser/Widget/DummyWidget.php
index f7f62a5..7d19edf 100644
--- a/tests/modules/entity_browser_test/src/Plugin/EntityBrowser/Widget/DummyWidget.php
+++ b/tests/modules/entity_browser_test/src/Plugin/EntityBrowser/Widget/DummyWidget.php
@@ -12,7 +12,7 @@ use Drupal\entity_browser\WidgetBase;
  *   id = "dummy",
  *   label = @Translation("Dummy widget"),
  *   description = @Translation("Dummy widget existing for testing purposes."),
- *   autoSelect = FALSE
+ *   auto_select = FALSE
  * )
  */
 class DummyWidget extends WidgetBase {
diff --git a/tests/modules/entity_browser_test/src/Plugin/EntityBrowser/Widget/MultipleSubmitTestWidget.php b/tests/modules/entity_browser_test/src/Plugin/EntityBrowser/Widget/MultipleSubmitTestWidget.php
index 79bebb3..8c9db76 100644
--- a/tests/modules/entity_browser_test/src/Plugin/EntityBrowser/Widget/MultipleSubmitTestWidget.php
+++ b/tests/modules/entity_browser_test/src/Plugin/EntityBrowser/Widget/MultipleSubmitTestWidget.php
@@ -12,7 +12,7 @@ use Drupal\entity_browser\WidgetBase;
  *   id = "multiple_submit_test_widget",
  *   label = @Translation("Multiple submit test widget"),
  *   description = @Translation("Test widget with multiple submit buttons only for testing purposes."),
- *   autoSelect = FALSE
+ *   auto_select = FALSE
  * )
  */
 class MultipleSubmitTestWidget extends WidgetBase {