diff --git a/src/Symfony/Component/Notifier/Bridge/Slack/Block/SlackContextBlock.php b/src/Symfony/Component/Notifier/Bridge/Slack/Block/SlackContextBlock.php
new file mode 100644
index 0000000000000..8c6434321a14d
--- /dev/null
+++ b/src/Symfony/Component/Notifier/Bridge/Slack/Block/SlackContextBlock.php
@@ -0,0 +1,66 @@
+
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Symfony\Component\Notifier\Bridge\Slack\Block;
+
+final class SlackContextBlock extends AbstractSlackBlock
+{
+ private const ELEMENT_LIMIT = 10;
+
+ public function __construct()
+ {
+ $this->options['type'] = 'context';
+ }
+
+ public function text(string $text, bool $markdown = true, bool $emoji = true, bool $verbatim = false): self
+ {
+ if (self::ELEMENT_LIMIT === \count($this->options['elements'] ?? [])) {
+ throw new \LogicException(sprintf('Maximum number of elements should not exceed %d.', self::ELEMENT_LIMIT));
+ }
+
+ $element = [
+ 'type' => $markdown ? 'mrkdwn' : 'plain_text',
+ 'text' => $text,
+ ];
+ if ($markdown) {
+ $element['verbatim'] = $verbatim;
+ } else {
+ $element['emoji'] = $emoji;
+ }
+ $this->options['elements'][] = $element;
+
+ return $this;
+ }
+
+ public function image(string $url, string $text): self
+ {
+ if (self::ELEMENT_LIMIT === \count($this->options['elements'] ?? [])) {
+ throw new \LogicException(sprintf('Maximum number of elements should not exceed %d.', self::ELEMENT_LIMIT));
+ }
+
+ $this->options['elements'][] = [
+ 'type' => 'image',
+ 'image_url' => $url,
+ 'alt_text' => $text,
+ ];
+
+ return $this;
+ }
+
+ public function id(string $id): self
+ {
+ $this->options['block_id'] = $id;
+
+ return $this;
+ }
+}
diff --git a/src/Symfony/Component/Notifier/Bridge/Slack/Tests/Block/SlackContextBlockTest.php b/src/Symfony/Component/Notifier/Bridge/Slack/Tests/Block/SlackContextBlockTest.php
new file mode 100644
index 0000000000000..2df45a4907ed1
--- /dev/null
+++ b/src/Symfony/Component/Notifier/Bridge/Slack/Tests/Block/SlackContextBlockTest.php
@@ -0,0 +1,66 @@
+
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Notifier\Bridge\Slack\Tests\Block;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Notifier\Bridge\Slack\Block\SlackContextBlock;
+
+final class SlackContextBlockTest extends TestCase
+{
+ public function testCanBeInstantiated(): void
+ {
+ $context = new SlackContextBlock();
+ $context->text('context text without emoji', false, false);
+ $context->text('context text verbatim', true, false, true);
+ $context->image('https://example.com/image.jpg', 'an image');
+ $context->id('context_id');
+
+ $this->assertSame([
+ 'type' => 'context',
+ 'elements' => [
+ [
+ 'type' => 'plain_text',
+ 'text' => 'context text without emoji',
+ 'emoji' => false,
+ ],
+ [
+ 'type' => 'mrkdwn',
+ 'text' => 'context text verbatim',
+ 'verbatim' => true,
+ ],
+ [
+ 'type' => 'image',
+ 'image_url' => 'https://example.com/image.jpg',
+ 'alt_text' => 'an image',
+ ],
+ ],
+ 'block_id' => 'context_id',
+ ], $context->toArray());
+ }
+
+ public function testThrowsWhenElementsLimitReached(): void
+ {
+ $context = new SlackContextBlock();
+ for ($i = 0; $i < 10; ++$i) {
+ if (0 === $i % 2) {
+ $context->text($i);
+ } else {
+ $context->image($i, $i);
+ }
+ }
+
+ $this->expectException(\LogicException::class);
+ $this->expectExceptionMessage('Maximum number of elements should not exceed 10.');
+
+ $context->text('fail');
+ }
+}
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