docs(storage): add sample for open appendable object send_and_append

src/storage/examples/src/lib.rs

@@ -608,6 +608,14 @@ async fn run_object_appendable_examples(
         .send()
         .await?;
 
+    tracing::info!("running open_appendable_object_send_and_append example");
+    objects::open_appendable_object_send_and_append::sample(
+        client,
+        &rapid_bucket_id,
+        "appendable-send-and-append",
+    )
+    .await?;
+
     tracing::info!("running open_appendable_object_write example");
     objects::open_appendable_object_write::sample(client, &rapid_bucket_id, "appendable-write")
         .await?;

src/storage/examples/src/objects.rs

@@ -48,6 +48,8 @@ pub mod open_appendable_object_pause_resume;
 #[cfg(google_cloud_unstable_storage_bidi)]
 pub mod open_appendable_object_read_tail;
 #[cfg(google_cloud_unstable_storage_bidi)]
+pub mod open_appendable_object_send_and_append;
+#[cfg(google_cloud_unstable_storage_bidi)]
 pub mod open_appendable_object_write;
 pub mod open_multiple_objects_ranged_read;
 pub mod open_object_multiple_ranged_read;

src/storage/examples/src/objects/open_appendable_object_send_and_append.rs

@@ -0,0 +1,30 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// [START storage_open_appendable_object_send_and_append]
+use bytes::Bytes;
+use google_cloud_storage::client::Storage;
+
+pub async fn sample(client: &Storage, bucket: &str, object: &str) -> Result<(), anyhow::Error> {
+    let writer = client
+        .open_appendable_object(format!("projects/_/buckets/{bucket}"), object)
+        .send_and_append(Bytes::from("Hello World!"))
+        .await?;
+
+    let metadata = writer.finalize().await?;
+
+    println!("Created and appended data to {object} in bucket {bucket}: {metadata:?}");
+    Ok(())
+}
+// [END storage_open_appendable_object_send_and_append]