From 47599d466accdc837e41d5f843d2ee4b532dd486 Mon Sep 17 00:00:00 2001
From: Ale Mercado <maria.mercado@slack-corp.com>
Date: Thu, 27 Aug 2026 15:54:39 -0400
Subject: [PATCH 1/3] feat: add alert block example

---
 block-kit/src/main/java/blocks/Alert.java | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 block-kit/src/main/java/blocks/Alert.java

diff --git a/block-kit/src/main/java/blocks/Alert.java b/block-kit/src/main/java/blocks/Alert.java
new file mode 100644
index 0000000..ea75d7d
--- /dev/null
+++ b/block-kit/src/main/java/blocks/Alert.java
@@ -0,0 +1,21 @@
+package blocks;
+
+import com.slack.api.model.block.AlertBlock;
+import com.slack.api.model.block.Blocks;
+import com.slack.api.model.block.composition.BlockCompositions;
+
+/**
+ * Displays alerts, warnings, and informational messages.
+ * {@link https://docs.slack.dev/reference/block-kit/blocks/alert-block/}
+ */
+public class Alert {
+    /**
+     * An informational alert.
+     */
+    public static AlertBlock example01() {
+        AlertBlock block =
+                Blocks.alert(a -> a.text(BlockCompositions.markdownText("The work is mysterious and important."))
+                        .level("info"));
+        return block;
+    }
+}

From aaf36ea8a8533e96f01497d0dfa95f204bb0c0b6 Mon Sep 17 00:00:00 2001
From: Ale Mercado <maria.mercado@slack-corp.com>
Date: Fri, 28 Aug 2026 10:24:20 -0400
Subject: [PATCH 2/3] test: add alert block test

---
 block-kit/src/test/java/blocks/AlertTest.java | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 block-kit/src/test/java/blocks/AlertTest.java

diff --git a/block-kit/src/test/java/blocks/AlertTest.java b/block-kit/src/test/java/blocks/AlertTest.java
new file mode 100644
index 0000000..4185b99
--- /dev/null
+++ b/block-kit/src/test/java/blocks/AlertTest.java
@@ -0,0 +1,27 @@
+package blocks;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import com.google.gson.JsonParser;
+import com.slack.api.model.block.AlertBlock;
+import com.slack.api.util.json.GsonFactory;
+import org.junit.jupiter.api.Test;
+
+public class AlertTest {
+    @Test
+    public void testExample01() {
+        AlertBlock block = Alert.example01();
+        String actual = GsonFactory.createSnakeCase().toJson(block);
+        String expected = """
+            {
+              "type": "alert",
+              "text": {
+                "type": "mrkdwn",
+                "text": "The work is mysterious and important."
+              },
+              "level": "info"
+            }
+            """;
+        assertEquals(JsonParser.parseString(expected), JsonParser.parseString(actual));
+    }
+}

From a07003713b1f82532b63bc65931dcad241a800ee Mon Sep 17 00:00:00 2001
From: Ale Mercado <maria.mercado@slack-corp.com>
Date: Fri, 28 Aug 2026 10:26:46 -0400
Subject: [PATCH 3/3] docs: add alert block to readme

---
 block-kit/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/block-kit/README.md b/block-kit/README.md
index 3cd3768..77114fa 100644
--- a/block-kit/README.md
+++ b/block-kit/README.md
@@ -9,6 +9,7 @@ Read the [docs](https://docs.slack.dev/block-kit/) to learn concepts behind thes
 ### Blocks
 
 - **[Actions](https://docs.slack.dev/reference/block-kit/blocks/actions-block)**: Holds multiple interactive elements. [Implementation](./src/main/java/blocks/Actions.java).
+- **[Alert](https://docs.slack.dev/reference/block-kit/blocks/alert-block)**: Displays alerts, warnings, and informational messages. [Implementation](./src/main/java/blocks/Alert.java).
 - **[Context](https://docs.slack.dev/reference/block-kit/blocks/context-block)**: Provides contextual info, which can include both images and text. [Implementation](./src/main/java/blocks/Context.java).
 - **[Divider](https://docs.slack.dev/reference/block-kit/blocks/divider-block)**: Visually separates pieces of info inside of a message. [Implementation](./src/main/java/blocks/Divider.java).
 - **[File](https://docs.slack.dev/reference/block-kit/blocks/file-block)**: Displays info about remote files. [Implementation](./src/main/java/blocks/File.java).