diff --git a/Classes/Command/IndexCommandController.php b/Classes/Command/IndexCommandController.php
index c1ade27..55ac4df 100644
--- a/Classes/Command/IndexCommandController.php
+++ b/Classes/Command/IndexCommandController.php
@@ -57,6 +57,9 @@ class IndexCommandController extends CommandController
     {
         // TODO: Allow to index multiple tables at once?
         // TODO: Also allow to index everything?
+
+        // TODO: There is no test yet!
+        // TODO: Add test, adjust config path
         if (! in_array($table, GeneralUtility::trimExplode(',', $this->configuration->get('indexer.tca.allowedTables')))) {
             $this->outputLine('Table is not allowed for indexing.');
             $this->quit(1);
diff --git a/Classes/Domain/Index/TcaIndexer/TcaTableService.php b/Classes/Domain/Index/TcaIndexer/TcaTableService.php
index 936d425..7d69e5b 100644
--- a/Classes/Domain/Index/TcaIndexer/TcaTableService.php
+++ b/Classes/Domain/Index/TcaIndexer/TcaTableService.php
@@ -151,7 +151,8 @@ class TcaTableService
             . ' AND pages.no_search = 0'
             ;
 
-        $userDefinedWhere = $this->configuration->getIfExists('indexer.tca.' . $this->tableName . '.additionalWhereClause');
+        // TODO: There is no test covering this option yet?
+        $userDefinedWhere = $this->configuration->getIfExists('indexing.' . $this->getTableName() . '.additionalWhereClause');
         if (is_string($userDefinedWhere)) {
             $whereClause .= ' AND ' . $userDefinedWhere;
         }
@@ -269,7 +270,7 @@ class TcaTableService
      */
     protected function isBlackListedRootLineConfigured()
     {
-        return (bool) $this->configuration->getIfExists('indexer.tca.rootLineBlacklist');
+        return (bool) $this->configuration->getIfExists('indexing.' . $this->getTableName() . '.rootLineBlacklist');
     }
 
     /**
@@ -279,6 +280,6 @@ class TcaTableService
      */
     protected function getBlackListedRootLine()
     {
-        return GeneralUtility::intExplode(',', $this->configuration->getIfExists('indexer.tca.rootLineBlacklist'));
+        return GeneralUtility::intExplode(',', $this->configuration->getIfExists('indexing.' . $this->getTableName() . '.rootLineBlacklist'));
     }
 }
diff --git a/Classes/Domain/Service/DataHandler.php b/Classes/Domain/Service/DataHandler.php
index 213b9cc..578589a 100644
--- a/Classes/Domain/Service/DataHandler.php
+++ b/Classes/Domain/Service/DataHandler.php
@@ -21,6 +21,7 @@ namespace Leonmrni\SearchCore\Domain\Service;
  */
 
 use Leonmrni\SearchCore\Configuration\ConfigurationContainerInterface;
+use Leonmrni\SearchCore\Domain\Index\TcaIndexer;
 use TYPO3\CMS\Core\SingletonInterface as Singleton;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 
@@ -86,7 +87,17 @@ class DataHandler implements Singleton
      */
     public function getAllowedTablesForIndexing()
     {
-        return GeneralUtility::trimExplode(',', $this->configuration->get('indexer.tca.allowedTables'));
+        $tables = [];
+        foreach ($this->configuration->get('indexing') as $tableName => $indexConfiguration) {
+            if ($indexConfiguration['indexer'] === TcaIndexer::class) {
+                $tables[] = $tableName;
+                continue;
+            }
+            // TODO: Support custom indexer.
+            // Define "interface" / option which is used.
+        }
+
+        return $tables;
     }
 
     /**
diff --git a/Configuration/TypoScript/constants.txt b/Configuration/TypoScript/constants.txt
index 50f57c3..f97c039 100755
--- a/Configuration/TypoScript/constants.txt
+++ b/Configuration/TypoScript/constants.txt
@@ -8,20 +8,16 @@ plugin {
                 }
             }
 
-            indexer {
-                tca {
-                    # Pages are not supported yet, see
-                    # https://github.com/DanielSiepmann/search_core/issues/24 but
-                    # should also be added, together with additionalWhereClause
-                    # based on doktypes
-                    allowedTables = tt_content
-
-                    tt_content {
-                        additionalWhereClause (
-                            pages.doktype NOT IN (3, 199)
-                            AND tt_content.CType NOT IN ('gridelements_pi1', 'list', 'div', 'menu', 'shortcut', 'search', 'login')
-                        )
-                    }
+            indexing {
+                # Pages are not supported yet, see
+                # https://github.com/DanielSiepmann/search_core/issues/24 but
+                # should also be added, together with additionalWhereClause
+                # based on doktypes
+                tt_content {
+                    additionalWhereClause (
+                        pages.doktype NOT IN (3, 199)
+                        AND tt_content.CType NOT IN ('gridelements_pi1', 'list', 'div', 'menu', 'shortcut', 'search', 'login')
+                    )
                 }
             }
         }
diff --git a/Configuration/TypoScript/setup.txt b/Configuration/TypoScript/setup.txt
index afa15be..2d58b35 100755
--- a/Configuration/TypoScript/setup.txt
+++ b/Configuration/TypoScript/setup.txt
@@ -8,13 +8,10 @@ plugin {
                 }
             }
 
-            indexer {
-                tca {
-                    allowedTables = {$plugin.tx_searchcore.settings.indexer.tca.allowedTables}
-
-                    tt_content {
-                        additionalWhereClause = {$plugin.tx_searchcore.settings.indexer.tca.tt_content.additionalWhereClause}
-                    }
+            indexing {
+                tt_content {
+                    indexer = Leonmrni\SearchCore\Domain\Index\TcaIndexer
+                    additionalWhereClause = {$plugin.tx_searchcore.settings.indexing.tt_content.additionalWhereClause}
                 }
             }
         }
diff --git a/Documentation/source/concepts.rst b/Documentation/source/concepts.rst
index 4d48d35..fc0569a 100644
--- a/Documentation/source/concepts.rst
+++ b/Documentation/source/concepts.rst
@@ -25,6 +25,6 @@ Indexing
 --------
 
 The indexing is done by one of the available indexer. It should be possible to define the indexer to
-use for certein document types. Also it should be possible to write custom indexer to use.
+use for certain document types. Also it should be possible to write custom indexer to use.
 
 Currently only the :ref:`TcaIndexer` is provided.
diff --git a/Documentation/source/configuration.rst b/Documentation/source/configuration.rst
index fb51d11..1f16e06 100644
--- a/Documentation/source/configuration.rst
+++ b/Documentation/source/configuration.rst
@@ -38,7 +38,7 @@ Options
 
 The following section contains the different options, e.g. for :ref:`connections` and
 :ref:`indexer`: ``plugin.tx_searchcore.settings.connection`` or
-``plugin.tx_searchcore.settings.index``.
+``plugin.tx_searchcore.settings.indexing``.
 
 .. _configuration_options_connection:
 
@@ -106,8 +106,9 @@ Configured as::
     plugin {
         tx_searchcore {
             settings {
-                indexer {
-                    indexerName {
+                indexing {
+                    identifier {
+                        indexer = Fully Qualified Classname
                         // the settings
                     }
                 }
@@ -115,26 +116,10 @@ Configured as::
         }
     }
 
-Where ``indexerName`` is one of the available :ref:`indexer`.
+Where ``identifier`` is up to you, but should match table names to make :ref:`TcaIndexer` work.
 
 The following settings are available. For each setting its documented which indexer consumes it.
 
-.. _allowedTables:
-
-``allowedTables``
-"""""""""""""""""
-
-    Used by: :ref:`TcaIndexer`.
-
-    Defines which TYPO3 tables are allowed to be indexed. Only white listed tables will be processed
-    through Command Line Interface and Hooks.
-
-    Contains a comma separated list of table names. Spaces are trimmed.
-
-    Example::
-
-        plugin.tx_searchcore.settings.indexer.tca.allowedTables = tt_content, fe_users
-
 .. _rootLineBlacklist:
 
 ``rootLineBlacklist``
@@ -151,7 +136,7 @@ The following settings are available. For each setting its documented which inde
 
     Example::
 
-        plugin.tx_searchcore.settings.index.tca.rootLineBlacklist = 3, 10, 100
+        plugin.tx_searchcore.settings.indexing.<identifier>.rootLineBlacklist = 3, 10, 100
 
 Also it's possible to define some behaviour for the different document types. In context of TYPO3
 tables are used as document types 1:1. It's possible to configure different tables. The following
@@ -170,7 +155,7 @@ options are available:
 
     Example::
 
-        plugin.tx_searchcore.settings.index.tca.tt_content.additionalWhereClause = tt_content.CType NOT IN ('gridelements_pi1', 'list', 'div', 'menu')
+        plugin.tx_searchcore.settings.indexing.<identifier>.additionalWhereClause = tt_content.CType NOT IN ('gridelements_pi1', 'list', 'div', 'menu')
 
     .. attention::
 
diff --git a/Tests/Functional/Fixtures/BasicSetup.ts b/Tests/Functional/Fixtures/BasicSetup.ts
index 510e2a1..72163e3 100644
--- a/Tests/Functional/Fixtures/BasicSetup.ts
+++ b/Tests/Functional/Fixtures/BasicSetup.ts
@@ -8,9 +8,9 @@ plugin {
                 }
             }
 
-            indexer {
-                tca {
-                    allowedTables = tt_content
+            indexing {
+                tt_content {
+                    indexer = Leonmrni\SearchCore\Domain\Index\TcaIndexer
                 }
             }
         }
diff --git a/Tests/Functional/Fixtures/Indexing/TcaIndexer/RespectRootLineBlacklist.ts b/Tests/Functional/Fixtures/Indexing/TcaIndexer/RespectRootLineBlacklist.ts
index 44013e7..c0c1cd6 100644
--- a/Tests/Functional/Fixtures/Indexing/TcaIndexer/RespectRootLineBlacklist.ts
+++ b/Tests/Functional/Fixtures/Indexing/TcaIndexer/RespectRootLineBlacklist.ts
@@ -1,8 +1,8 @@
 plugin {
     tx_searchcore {
         settings {
-            indexer {
-                tca {
+            indexing {
+                tt_content {
                     rootLineBlacklist = 3
                 }
             }
diff --git a/Tests/Functional/Fixtures/Indexing/UserWhereClause.ts b/Tests/Functional/Fixtures/Indexing/UserWhereClause.ts
index d79bb14..7478ef1 100644
--- a/Tests/Functional/Fixtures/Indexing/UserWhereClause.ts
+++ b/Tests/Functional/Fixtures/Indexing/UserWhereClause.ts
@@ -1,11 +1,9 @@
 plugin {
     tx_searchcore {
         settings {
-            indexer {
-                tca {
-                    tt_content {
-                        additionalWhereClause = tt_content.CType NOT IN ('div')
-                    }
+            indexing {
+                tt_content {
+                    additionalWhereClause = tt_content.CType NOT IN ('div')
                 }
             }
         }