diff --git a/aws_doc_sdk_examples_tools/doc_gen_test.py b/aws_doc_sdk_examples_tools/doc_gen_test.py
index 5d6db57..2ff205e 100644
--- a/aws_doc_sdk_examples_tools/doc_gen_test.py
+++ b/aws_doc_sdk_examples_tools/doc_gen_test.py
@@ -253,6 +253,7 @@ def test_doc_gen_encoder(sample_doc_gen: DocGen):
     assert "examples" in decoded
     assert decoded["examples"] == {
         "s3_PutObject": {
+            "suppress_publish": False,
             "category": None,
             "doc_filenames": None,
             "file": "filea.txt",
diff --git a/aws_doc_sdk_examples_tools/fs.py b/aws_doc_sdk_examples_tools/fs.py
index e5eec01..e06e6e6 100644
--- a/aws_doc_sdk_examples_tools/fs.py
+++ b/aws_doc_sdk_examples_tools/fs.py
@@ -85,9 +85,9 @@ def __init__(self, fs: Dict[Path, str]):
         self.fs = fs
 
     def glob(self, path: Path, glob: str) -> Generator[Path, None, None]:
-        path_s = str(path)
+        path_s = path.as_posix()
         for key in self.fs.keys():
-            key_s = str(key)
+            key_s = key.as_posix()
             if key_s.startswith(path_s):
                 if fnmatch(key_s, glob):
                     yield key
@@ -100,9 +100,9 @@ def readlines(self, path: Path, encoding: str = "utf-8") -> List[str]:
         return content.splitlines(keepends=True)
 
     def write(self, path: Path, content: str):
-        base = str(path.parent)
+        base = path.parent.as_posix()
         assert any(
-            [str(key).startswith(base) for key in self.fs]
+            [key.as_posix().startswith(base) for key in self.fs]
         ), "No parent folder, this will probably fail without a call to mkdir in a real file system!"
         self.fs[path] = content
 
@@ -110,7 +110,7 @@ def stat(self, path: Path):
         if path in self.fs:
             return Stat(path, True, True)
         for item in self.fs.keys():
-            if str(item).startswith(str(path)):
+            if item.as_posix().startswith(path.as_posix()):
                 return Stat(path, True, False)
         return Stat(path, False, False)
 
@@ -123,11 +123,11 @@ def list(self, path: Path) -> List[Path]:
             return []
 
         # Gather all entries that are immediate children of `path`
-        prefix = str(path).rstrip("/") + "/"
+        prefix = path.as_posix().rstrip("/") + "/"
         children = set()
 
         for item in self.fs.keys():
-            item_s = str(item)
+            item_s = item.as_posix()
             if item_s.startswith(prefix):
                 # Determine the remainder path after the prefix
                 remainder = item_s[len(prefix) :]
diff --git a/aws_doc_sdk_examples_tools/metadata.py b/aws_doc_sdk_examples_tools/metadata.py
index 8308255..92a0dd9 100755
--- a/aws_doc_sdk_examples_tools/metadata.py
+++ b/aws_doc_sdk_examples_tools/metadata.py
@@ -161,6 +161,7 @@ class Example:
     doc_filenames: Optional[DocFilenames] = field(default=None)
     synopsis_list: List[str] = field(default_factory=list)
     source_key: Optional[str] = field(default=None)
+    suppress_publish: Optional[bool] = field(default=False)
 
     def fill_display_fields(self, categories: Dict[str, Category], service, action):
         category = self.choose_category(categories)
diff --git a/aws_doc_sdk_examples_tools/yaml_writer.py b/aws_doc_sdk_examples_tools/yaml_writer.py
index 64be9c1..16623b8 100644
--- a/aws_doc_sdk_examples_tools/yaml_writer.py
+++ b/aws_doc_sdk_examples_tools/yaml_writer.py
@@ -50,6 +50,7 @@ def prepare_write(examples: Dict[str, Example]) -> Dict[str, str]:
     # "doc_filenames", # These are currently generated, and don't need to be stored.
     "source_key",
     "category",
+    "suppress_publish",
     "languages",
     "service_main",
     "services",