diff --git a/src/arclet/alconna/sistana/model/fragment.py b/src/arclet/alconna/sistana/model/fragment.py
index 3142fa15..0f658948 100644
--- a/src/arclet/alconna/sistana/model/fragment.py
+++ b/src/arclet/alconna/sistana/model/fragment.py
@@ -15,6 +15,7 @@ class _Fragment:
     name: str
     variadic: bool = False
     default: Some[Any] = None
+    export: bool = False
 
     separators: str | None = None
     hybrid_separators: bool = True
diff --git a/src/arclet/alconna/sistana/model/mix.py b/src/arclet/alconna/sistana/model/mix.py
index 17a567f7..2b0666f0 100644
--- a/src/arclet/alconna/sistana/model/mix.py
+++ b/src/arclet/alconna/sistana/model/mix.py
@@ -4,7 +4,7 @@
 from typing import TYPE_CHECKING, Any, Iterable
 
 from ..err import CaptureRejected, ReceivePanic, TransformPanic, ValidateRejected
-from ..some import Value
+from ..some import Some, Value
 from .fragment import _Fragment, assert_fragments_order
 
 if TYPE_CHECKING:
@@ -234,3 +234,23 @@ def complete_track(self, name: str):
     def complete_all(self):
         for track in self.tracks.values():
             track.complete()
+
+    def export_track(self, name: str) -> dict[str, Some[Any]]:
+        track = self.tracks[name]
+        result = {}
+        for frag in self.preset.tracks[name].fragments:
+            if not frag.export:
+                continue
+
+            if frag.name in track.assignes:
+                result[frag.name] = Value(track.assignes[frag.name])
+            else:
+                result[frag.name] = None
+        
+        if track.header is not None and track.header.export:
+            if track.header.name in track.assignes:
+                result[track.header.name] = Value(track.assignes[track.header.name])
+            else:
+                result[track.header.name] = None
+        
+        return result
diff --git a/src/arclet/alconna/sistana/model/snapshot.py b/src/arclet/alconna/sistana/model/snapshot.py
index 49d727c0..c9821863 100644
--- a/src/arclet/alconna/sistana/model/snapshot.py
+++ b/src/arclet/alconna/sistana/model/snapshot.py
@@ -1,14 +1,14 @@
 from __future__ import annotations
 
 from collections import defaultdict
-from typing import TYPE_CHECKING, Generic, TypeVar
+from typing import TYPE_CHECKING, Any, Generic, TypeVar
 
 from ..some import Some, Value
 
 if TYPE_CHECKING:
-    from .pattern import SubcommandPattern, OptionPattern
-    from .pointer import Pointer
     from .mix import Mix, Track
+    from .pattern import OptionPattern, SubcommandPattern
+    from .pointer import Pointer
 
 T = TypeVar("T")
 
@@ -109,3 +109,26 @@ def determined(self):
 
     def determine(self, endpoint: Pointer):
         self.endpoint = Value(endpoint)
+
+    def _export(self):
+        result: dict[Pointer, dict[str, Some[Any]]] = {}
+
+        for traverse in self.traverses:
+            mix = traverse.mix
+            result[traverse.ref] = mix.export_track(traverse.trigger)
+            for option in traverse.subcommand.options.values():
+                ref = traverse.ref.option(option.keyword)
+
+                if ref in result:
+                    continue
+
+                result[ref] = mix.export_track(option.keyword)
+
+        return result
+
+    def export(self):
+        a = iter(self._export().values())
+        r = next(a).copy()
+        for b in a:
+            r.update(b)
+        return r