contactcats/managed/SavedSearch_Category_history.mgd.php

<?php
use CRM_Contactcats_ExtensionUtil as E;

return [
  [
    'name' => 'SavedSearch_Category_history',
    'entity' => 'SavedSearch',
    'cleanup' => 'unused',
    'update' => 'unmodified',
    'params' => [
      'version' => 4,
      'values' => [
        'name' => 'Category_history',
        'label' => E::ts('Category history'),
        'api_entity' => 'Activity',
        'api_params' => [
          'version' => 4,
          'select' => [
            'Activity_ActivityContact_Contact_01.id',
            'id',
            'Activity_ActivityContact_Contact_01.sort_name',
            'Category_changes.previous_category_id',
            'Category_changes.new_category_id',
            'activity_date_time',
          ],
          'orderBy' => [],
          'where' => [
            [
              'activity_type_id:name',
              '=',
              'changed_contact_category',
            ],
          ],
          'groupBy' => [],
          'join' => [
            [
              'Contact AS Activity_ActivityContact_Contact_01',
              'INNER',
              'ActivityContact',
              [
                'id',
                '=',
                'Activity_ActivityContact_Contact_01.activity_id',
              ],
              [
                'Activity_ActivityContact_Contact_01.record_type_id:name',
                '=',
                '"Activity Targets"',
              ],
            ],
          ],
          'having' => [],
        ],
      ],
      'match' => ['name'],
    ],
  ],
  [
    'name' => 'SavedSearch_Category_history_SearchDisplay_Category_history_Category_1',
    'entity' => 'SearchDisplay',
    'cleanup' => 'unused',
    'update' => 'unmodified',
    'params' => [
      'version' => 4,
      'values' => [
        'name' => 'Category_history_Category_1',
        'label' => E::ts('Category history Category 1'),
        'saved_search_id.name' => 'Category_history',
        'type' => 'contact-cat',
        'settings' => [
          'something' => 'nothing',
          'limit' => 50,
          'sort' => [],
          'pager' => [],
          'columns' => [
            [
              'type' => 'field',
              'key' => 'Activity_ActivityContact_Contact_01.id',
              'dataType' => 'Integer',
            ],
            [
              'type' => 'field',
              'key' => 'id',
              'dataType' => 'Integer',
            ],
            [
              'type' => 'field',
              'key' => 'Activity_ActivityContact_Contact_01.sort_name',
              'dataType' => 'String',
            ],
            [
              'type' => 'field',
              'key' => 'Category_changes.previous_category_id',
              'dataType' => 'Integer',
            ],
            [
              'type' => 'field',
              'key' => 'Category_changes.new_category_id',
              'dataType' => 'Integer',
            ],
          ],
        ],
      ],
      'match' => [
        'name',
      ],
    ],
  ],
];