diff --git a/file-formats/sxtg/README.md b/file-formats/sxtg/README.md
new file mode 100644
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+++ b/file-formats/sxtg/README.md
@@ -0,0 +1,5 @@
+# SXTG File Format
+
+File | Cardinality | Definition | Schema | Example
+:--- | :--- | :--- | :--- | :---
+`<name>.sxtg.json` | 1 | [`zif_aff_sxtg_v1.intf.abap`](./type/zif_aff_sxtg_v1.intf.abap) | [`sxtg-v1.json`](./sxtg-v1.json) | [`sxtg_tsm_so.sxtg.json`](./examples/sxtg_tsm_so.sxtg.json)
diff --git a/file-formats/sxtg/examples/sxtg_tsm_so.sxtg.json b/file-formats/sxtg/examples/sxtg_tsm_so.sxtg.json
new file mode 100644
index 000000000..50a305e63
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+++ b/file-formats/sxtg/examples/sxtg_tsm_so.sxtg.json
@@ -0,0 +1,17 @@
+{
+  "formatVersion": "1",
+  "header": {
+    "description": "SXTG: Sales Order Header (Home)",
+    "originalLanguage": "en"
+  },
+  "generalInformation": {
+    "extensionInclude": "SXTG_S_TSM_SO_INCL_EEW",
+    "applicationDataStructure": "SXTG_S_TSM_SO_APPL_DATA",
+    "uiExtensionEntity": "D_SXTG_TSM_SO_UI_HEADER"
+  },
+  "transactionCodes": [
+    {
+      "transactionCode": "SXTG_TSM_SO"
+    }
+  ]
+}
diff --git a/file-formats/sxtg/sxtg-v1.json b/file-formats/sxtg/sxtg-v1.json
new file mode 100644
index 000000000..34a182587
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+++ b/file-formats/sxtg/sxtg-v1.json
@@ -0,0 +1,95 @@
+{
+  "$comment": "This file is autogenerated, do not edit manually, see https://github.com/SAP/abap-file-formats for more information.",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://github.com/SAP/abap-file-formats/blob/main/file-formats/sxtg/sxtg-v1.json",
+  "title": "SAP GUI Extension Point",
+  "description": "SAP gui extension point for developer extensibility",
+  "type": "object",
+  "properties": {
+    "formatVersion": {
+      "title": "Format Version",
+      "description": "Format version",
+      "type": "string",
+      "const": "1"
+    },
+    "header": {
+      "title": "Header",
+      "description": "Header",
+      "type": "object",
+      "properties": {
+        "description": {
+          "title": "Description",
+          "description": "Description of the ABAP object",
+          "type": "string",
+          "maxLength": 60
+        },
+        "originalLanguage": {
+          "title": "Original Language",
+          "description": "Original language of the ABAP object",
+          "type": "string",
+          "minLength": 2
+        }
+      },
+      "additionalProperties": false,
+      "required": [
+        "description",
+        "originalLanguage"
+      ]
+    },
+    "generalInformation": {
+      "title": "General Information",
+      "description": "General information",
+      "type": "object",
+      "properties": {
+        "extensionInclude": {
+          "title": "Extension Include",
+          "description": "Extension include with persisted custom fields",
+          "type": "string",
+          "maxLength": 30
+        },
+        "applicationDataStructure": {
+          "title": "Application Data Structure",
+          "description": "Structure with application data",
+          "type": "string",
+          "maxLength": 30
+        },
+        "uiExtensionEntity": {
+          "title": "UI Extension Entity",
+          "description": "Abstract entity with ui definition",
+          "type": "string",
+          "maxLength": 30
+        }
+      },
+      "additionalProperties": false,
+      "required": [
+        "extensionInclude",
+        "applicationDataStructure",
+        "uiExtensionEntity"
+      ]
+    },
+    "transactionCodes": {
+      "title": "Transaction Codes",
+      "description": "Transaction codes of extensible application",
+      "type": "array",
+      "items": {
+        "title": "Transaction Code",
+        "description": "Transaction code",
+        "type": "object",
+        "properties": {
+          "transactionCode": {
+            "title": "Transaction Code",
+            "description": "Transaction code",
+            "type": "string",
+            "maxLength": 20
+          }
+        },
+        "additionalProperties": false
+      }
+    }
+  },
+  "additionalProperties": false,
+  "required": [
+    "formatVersion",
+    "header"
+  ]
+}
diff --git a/file-formats/sxtg/type/zif_aff_sxtg_v1.intf.abap b/file-formats/sxtg/type/zif_aff_sxtg_v1.intf.abap
new file mode 100644
index 000000000..87a425684
--- /dev/null
+++ b/file-formats/sxtg/type/zif_aff_sxtg_v1.intf.abap
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+INTERFACE zif_aff_sxtg_v1
+  PUBLIC.
+
+  TYPES:
+    "! <p class="shorttext">Transaction Code</p>
+    "! Transaction code
+    BEGIN OF ty_transaction_code,
+      "! <p class="shorttext">Transaction Code</p>
+      "! Transaction code
+      transaction_code TYPE c LENGTH 20,
+    END OF ty_transaction_code.
+
+  "! <p class="shorttext">Transaction Codes</p>
+  "! Transaction codes
+  TYPES ty_transaction_codes TYPE STANDARD TABLE OF ty_transaction_code WITH KEY transaction_code.
+
+  TYPES:
+    "! <p class="shorttext">General Information</p>
+    "! General information
+    BEGIN OF ty_general_information,
+      "! <p class="shorttext">Extension Include</p>
+      "! Extension include with persisted custom fields
+      "! $required
+      extension_include          TYPE zif_aff_types_v1=>ty_object_name_30,
+
+      "! <p class="shorttext">Application Data Structure</p>
+      "! Structure with application data
+      "! $required
+      application_data_structure TYPE zif_aff_types_v1=>ty_object_name_30,
+
+      "! <p class="shorttext">UI Extension Entity</p>
+      "! Abstract entity with ui definition
+      "! $required
+      ui_extension_entity        TYPE zif_aff_types_v1=>ty_object_name_30,
+    END OF ty_general_information.
+
+  TYPES:
+    "! <p class="shorttext">SAP GUI Extension Point</p>
+    "! SAP gui extension point for developer extensibility
+    BEGIN OF ty_main,
+      "! <p class="shorttext">Format Version</p>
+      "! Format version
+      "! $required
+      format_version      TYPE zif_aff_types_v1=>ty_format_version,
+      "! <p class="shorttext">Header</p>
+      "! Header
+      "! $required
+      header              TYPE zif_aff_types_v1=>ty_header_60_no_abap_lv,
+
+      "! <p class="shorttext">General Information</p>
+      "! General information
+      general_information TYPE ty_general_information,
+
+      "! <p class="shorttext">Transaction Codes</p>
+      "! Transaction codes of extensible application
+      transaction_codes   TYPE ty_transaction_codes,
+    END OF ty_main.
+
+ENDINTERFACE.
diff --git a/file-formats/sxtg/type/zif_aff_sxtg_v1.intf.json b/file-formats/sxtg/type/zif_aff_sxtg_v1.intf.json
new file mode 100644
index 000000000..06f4b3293
--- /dev/null
+++ b/file-formats/sxtg/type/zif_aff_sxtg_v1.intf.json
@@ -0,0 +1,7 @@
+{
+  "formatVersion": "1",
+  "header": {
+    "description": "SXTG: SAP GUI Extension Point AFF Type",
+    "originalLanguage": "en"
+  }
+}