Issue #2146045 by D Szkiba, joshi.rohit100, tyler.frankenstein, er.pushpinderrana, dajjen, jhodgdon, joachim: Document Field API allowed_values_function callback

core/modules/options/options.api.php

@@ -26,6 +26,7 @@ use Drupal\Core\Field\FieldStorageDefinitionInterface;
  *   - entity: The entity object the field is attached to
  *     (\Drupal\Core\Entity\EntityInterface).
  *
+ * @ingroup hooks
  * @see hook_options_list()
  */
 function hook_options_list_alter(array &$options, array $context) {
@@ -42,7 +43,7 @@ function hook_options_list_alter(array &$options, array $context) {
  * Callback for options_allowed_values().
  *
  * 'list_*' fields can specify a callback to define the set of their allowed
- * values using the 'allowed_values_callback' storage setting.
+ * values using the 'allowed_values_function' storage setting.
  *
  * That function will be called:
  *  - either in the context of a specific entity, which is then provided as the
@@ -74,6 +75,7 @@ function hook_options_list_alter(array &$options, array $context) {
  *   any context so that other code (e.g. Views filters) can support the allowed
  *   values for all possible entities and bundles.
  *
+ * @ingroup callbacks
  * @see options_allowed_values()
  * @see options_test_allowed_values_callback()
  * @see options_test_dynamic_values_callback()

core/modules/options/tests/options_test/options_test.module

@@ -9,7 +9,7 @@ use Drupal\Core\Entity\FieldableEntityInterface;
 use Drupal\Core\Field\FieldStorageDefinitionInterface;
 
 /**
- * Allowed values callback.
+ * Implements callback_allowed_values_function().
  *
  * @see options_allowed_values().
  */
@@ -31,7 +31,7 @@ function options_test_allowed_values_callback(FieldStorageDefinitionInterface $d
 }
 
 /**
- * An entity-bound allowed values callback.
+ * Implements callback_allowed_values_function().
  *
  * @todo This function violates the recommendation in options_allowed_values()
  *   to return a list of all possible values in any context when $items is