diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..723ef36
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.idea
\ No newline at end of file
diff --git a/Configuration/TCA/Overrides/sys_template.php b/Configuration/TCA/Overrides/sys_template.php
new file mode 100644
index 0000000..85e0ac3
--- /dev/null
+++ b/Configuration/TCA/Overrides/sys_template.php
@@ -0,0 +1,9 @@
+<?php
+
+defined('TYPO3') || die();
+
+\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addStaticFile(
+    'headless_navigations',
+    'Configuration/TypoScript',
+    'Headless Navigations'
+);
diff --git a/Configuration/TypoScript/2.x/.gitignore b/Configuration/TypoScript/2.x/.gitignore
new file mode 100644
index 0000000..e69de29
diff --git a/Configuration/TypoScript/constants.typoscript b/Configuration/TypoScript/constants.typoscript
new file mode 100644
index 0000000..23a32b6
--- /dev/null
+++ b/Configuration/TypoScript/constants.typoscript
@@ -0,0 +1,59 @@
+page {
+  navigations {
+    navigation1 {
+      # cat=bootstrap package: navigations/100/navigation1_navigationValue; type=string; label=Navigation1 Values: Comma separated list of page uids
+      navigationValue =
+      # cat=bootstrap package: navigations/100/navigation1_navigationType; type=options[Directory=directory, List=list]; label=Navigation1 Type
+      navigationType = directory
+      # cat=bootstrap package: navigations/100/navigation1_includeNotInMenu; type=boolean; label=Navigation1 include items not in menu
+      includeNotInMenu = 0
+      # cat=bootstrap package: navigations/100/navigation1_expandAll; type=boolean; label=Navigation1 expandAll
+      expandAll = 1
+      # cat=bootstrap package: navigations/100/navigation1_entryLevel; type=int; label=Navigation1 entry level
+      entryLevel =
+      # cat=bootstrap package: navigations/100/navigation1_includeSpacer; type=boolean; label=Navigation1 include spacer
+      includeSpacer = 1
+      # cat=bootstrap package: navigations/100/navigation1_levels; type=int+; label=Navigation1 levels
+      levels =
+    }
+
+    navigation2 {
+      # cat=bootstrap package: navigations/101/navigation2_navigationValue; type=string; label=Navigation2 Values: Comma separated list of page uids
+      navigationValue =
+      # cat=bootstrap package: navigations/101/navigation2_navigationType; type=options[Directory=directory, List=list]; label=Navigation2 Type
+      navigationType = directory
+      # cat=bootstrap package: navigations/101/navigation2_includeNotInMenu; type=boolean; label=Navigation2 include items not in menu
+      includeNotInMenu = 0
+      # cat=bootstrap package: navigations/101/navigation2_expandAll; type=boolean; label=Navigation2 expandAll
+      expandAll = 1
+      # cat=bootstrap package: navigations/101/navigation2_entryLevel; type=int; label=Navigation2 entry level
+      entryLevel =
+      # cat=bootstrap package: navigations/101/navigation2_includeSpacer; type=boolean; label=Navigation2 include spacer
+      includeSpacer = 1
+      # cat=bootstrap package: navigations/101/navigation2_levels; type=int+; label=Navigation2 levels
+      levels =
+    }
+
+    navigation3 {
+      # cat=bootstrap package: navigations/102/navigation3_navigationValue; type=string; label=Navigation3 Values: Comma separated list of page uids
+      navigationValue =
+      # cat=bootstrap package: navigations/102/navigation3_navigationType; type=options[Directory=directory, List=list]; label=Navigation3 Type
+      navigationType = directory
+      # cat=bootstrap package: navigations/103/navigation3_includeNotInMenu; type=boolean; label=Navigation3 include items not in menu
+      includeNotInMenu = 0
+      # cat=bootstrap package: navigations/103/navigation3_expandAll; type=boolean; label=Navigation3 expandAll
+      expandAll = 1
+      # cat=bootstrap package: navigations/103/navigation3_entryLevel; type=int; label=Navigation3 entry level
+      entryLevel =
+      # cat=bootstrap package: navigations/103/navigation3_includeSpacer; type=boolean; label=Navigation3 include spacer
+      includeSpacer = 1
+      # cat=bootstrap package: navigations/103/navigation3_levels; type=int+; label=Navigation3 levels
+      levels =
+    }
+
+    languages {
+      # cat=bootstrap package: navigations/104/languages_languageValue; type=string; label=Language Navigation Values: Comma separated list of language uids or set to 'auto' to load all enabled system languages
+      languageValue = auto
+    }
+  }
+}
diff --git a/Configuration/TypoScript/setup.typoscript b/Configuration/TypoScript/setup.typoscript
new file mode 100644
index 0000000..1507116
--- /dev/null
+++ b/Configuration/TypoScript/setup.typoscript
@@ -0,0 +1,108 @@
+lib.navigationDefault {
+  dataProcessing {
+    10 = FriendsOfTYPO3\Headless\DataProcessing\MenuProcessor
+    10 {
+      special = rootline
+      special.value = -8
+      levels = 7
+      expandAll = 1
+      includeSpacer = 0
+      titleField = nav_title // title
+      as = navigation
+
+      dataProcessing {
+        10 = FriendsOfTYPO3\Headless\DataProcessing\FilesProcessor
+        10 {
+          references.fieldName = nav_icon
+          as = nav_icon
+        }
+      }
+    }
+  }
+}
+
+lib.navigations {
+  fields {
+    navigation1 < lib.navigationDefault
+    navigation2 < lib.navigationDefault
+    navigation3 < lib.navigationDefault
+    breadcrumbs < lib.navigationDefault
+
+    navigation1.dataProcessing.10 {
+      as = navigation1
+      special = {$page.navigations.navigation1.navigationType}
+      special.value = {$page.navigations.navigation1.navigationValue}
+      entryLevel = {$page.navigations.navigation1.entryLevel}
+      expandAll = {$page.navigations.navigation1.expandAll}
+      includeNotInMenu = {$page.navigations.navigation1.includeNotInMenu}
+      includeSpacer = {$page.navigations.navigation1.includeSpacer}
+      levels = {$page.navigations.navigation1.levels}
+    }
+
+    navigation2.dataProcessing.10 {
+      as = navigation2
+      special = {$page.navigations.navigation2.navigationType}
+      special.value = {$page.navigations.navigation2.navigationValue}
+      entryLevel = {$page.navigations.navigation2.entryLevel}
+      expandAll = {$page.navigations.navigation2.expandAll}
+      includeNotInMenu = {$page.navigations.navigation2.includeNotInMenu}
+      includeSpacer = {$page.navigations.navigation2.includeSpacer}
+      levels = {$page.navigations.navigation2.levels}
+    }
+
+    navigation3.dataProcessing.10 {
+      as = navigation3
+      special = {$page.navigations.navigation3.navigationType}
+      special.value = {$page.navigations.navigation3.navigationValue}
+      entryLevel = {$page.navigations.navigation3.entryLevel}
+      expandAll = {$page.navigations.navigation3.expandAll}
+      includeNotInMenu = {$page.navigations.navigation3.includeNotInMenu}
+      includeSpacer = {$page.navigations.navigation3.includeSpacer}
+      levels = {$page.navigations.navigation3.levels}
+    }
+
+    breadcrumbs.dataProcessing.10 {
+      as = breadcrumbs
+      special = rootline
+      special.range = 0|-1
+      expandAll = 0
+
+      includeSpacer = 1
+      includeNotInMenu = 1
+      if {
+        value = {$page.theme.breadcrumb.enableLevel}
+        value {
+          insertData = 1
+          prioriCalc = 1
+          stdWrap.wrap = |-1
+        }
+
+        isGreaterThan {
+          data = level
+        }
+      }
+    }
+
+    languages = JSON
+    languages {
+      dataProcessing {
+        10 = TYPO3\CMS\Frontend\DataProcessing\LanguageMenuProcessor
+        10 {
+          as = languagenavigation
+          languages = {$page.navigations.languages.languageValue}
+        }
+      }
+    }
+  }
+}
+
+lib.navigations = JSON
+lib.navigations.navigation1 = JSON
+lib.navigations.navigation2 = JSON
+lib.navigations.navigation3 = JSON
+
+page.10.fields.breadcrumbs >
+page.10.fields.navigations =< lib.navigations
+menu.10 >
+menu.10 =< lib.navigations
+page.10.fields.languages >
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..efe1713
--- /dev/null
+++ b/README.md
@@ -0,0 +1,16 @@
+# TYPO3 Extension "headless_naviations" - Provides TypoScript definitions to enrich the EXT:headless page response with proper navigations
+This extension ... @todo add documentation
+
+## Requirements
+Extension requires TYPO3 in version at least 11.5.
+
+## TYPO3 Installation
+Install extension using composer\
+``composer require friendsoftypo3headless/headless-navigations``
+
+and then, include TypoScript template, configure the constants and you are ready to go.
+
+### Developers involved in the project
+
+- Sven Petersen (DAUSKONZEPT GmbH && HardAnders GbR)
+- Niels Seelhöfer
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..42d757a
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,26 @@
+{
+  "name": "friendsoftypo3headless/headless-navigations",
+  "type": "typo3-cms-extension",
+  "description": "This extension enhances the EXT:headless json response with three customizable navigations.",
+  "keywords": [
+    "TYPO3",
+    "headless",
+    "pwa",
+    "json",
+    "navigations"
+  ],
+  "license": [
+    "GPL-2.0-or-later"
+  ],
+  "require": {
+    "typo3/cms-core": "^11.5"
+  },
+  "suggest": {
+    "friendsoftypo3/headless": "^2.0"
+  },
+  "extra": {
+    "typo3/cms": {
+      "extension-key": "headless_navigations"
+    }
+  }
+}
\ No newline at end of file