diff --git a/docs/Product-Requirements.md b/docs/Product-Requirements.md
index 98130793..b1c70958 100644
--- a/docs/Product-Requirements.md
+++ b/docs/Product-Requirements.md
@@ -79,7 +79,7 @@ The CLI uses topics (space-separated) to group related commands logically.
 *(Interact with Ably Pub/Sub using the Realtime SDK)*
 
 - `$ ably channels list`: Lists active channels via channel enumeration API. Supports `--prefix`, `--limit`.
-- `$ ably channels publish CHANNEL MESSAGE`: Publishes a message. Supports `--name`, `--encoding`, `--count`, `--delay`, JSON/text message, message interpolation (`{{.Count}}`, `{{.Timestamp}}`), `--transport rest|realtime`.
+- `$ ably channels publish CHANNEL MESSAGE`: Publishes a message. Supports `--name`, `--encoding`, `--count`, `--delay`, JSON/text message, message interpolation (`{{.Count}}`, `{{.Timestamp}}`), `--transport rest|realtime`. Supports `extras.push` for push notifications in message payload.
 - `$ ably channels batch-publish [MESSAGE]`: Publishes multiple messages via REST batch API. Supports `--channels`, `--channels-json`, `--spec`.
 - `$ ably channels subscribe CHANNELS...`: Subscribes to messages on one or more channels. Supports `--rewind`, `--delta`, `--cipher-*` flags for decryption. Runs until terminated.
 - `$ ably channels history CHANNEL`: Retrieves message history. Supports `--start`, `--end`, `--limit`, `--direction`, `--cipher` flags.
diff --git a/src/commands/channels/publish.ts b/src/commands/channels/publish.ts
index bde8e7ca..afe80f6a 100644
--- a/src/commands/channels/publish.ts
+++ b/src/commands/channels/publish.ts
@@ -31,6 +31,7 @@ export default class ChannelsPublish extends AblyBaseCommand {
     '$ ably channels publish --transport realtime my-channel "Using realtime transport"',
     '$ ably channels publish my-channel "Hello World" --json',
     '$ ably channels publish my-channel "Hello World" --pretty-json',
+    '$ ably channels publish my-channel \'{"data":"Push notification","extras":{"push":{"notification":{"title":"Hello","body":"World"}}}}\'',
   ];
 
   static override flags = {
@@ -206,6 +207,13 @@ export default class ChannelsPublish extends AblyBaseCommand {
       delete messageData.name;
     }
 
+    // Add extras if provided in the message data (before processing data)
+    if ("extras" in messageData) {
+      message.extras = messageData.extras;
+      // Remove extras from messageData to avoid duplication in data
+      delete messageData.extras;
+    }
+
     // If data is explicitly provided in the message, use it
     if ("data" in messageData) {
       message.data = messageData.data;
diff --git a/test/unit/commands/channels/publish.test.ts b/test/unit/commands/channels/publish.test.ts
index 173d2069..7b189549 100644
--- a/test/unit/commands/channels/publish.test.ts
+++ b/test/unit/commands/channels/publish.test.ts
@@ -399,4 +399,31 @@ describe("ChannelsPublish", function () {
       expect(stdout).toMatch(/error/i);
     });
   });
+
+  describe("extras.push support", function () {
+    it("should include extras.push when provided in message data", async function () {
+      const restMock = getMockAblyRest();
+      const channel = restMock.channels._getChannel("test-channel");
+
+      await runCommand(
+        [
+          "channels:publish",
+          "test-channel",
+          '{"data":"hello","extras":{"push":{"notification":{"title":"Test","body":"Push notification"}}}}',
+          "--transport",
+          "rest",
+        ],
+        import.meta.url,
+      );
+
+      expect(channel.publish).toHaveBeenCalledOnce();
+      const publishArgs = channel.publish.mock.calls[0][0];
+      expect(publishArgs).toHaveProperty("data", "hello");
+      expect(publishArgs).toHaveProperty("extras");
+      expect(publishArgs.extras).toHaveProperty("push");
+      expect(publishArgs.extras.push).toEqual({
+        notification: { title: "Test", body: "Push notification" },
+      });
+    });
+  });
 });