diff --git a/packages/backend/src/apps/mailchimp/dynamic-data/index.js b/packages/backend/src/apps/mailchimp/dynamic-data/index.js
index 8ec6b75b..c9fd2e79 100644
--- a/packages/backend/src/apps/mailchimp/dynamic-data/index.js
+++ b/packages/backend/src/apps/mailchimp/dynamic-data/index.js
@@ -1,3 +1,4 @@
 import listAudiences from './list-audiences/index.js';
+import listCampaigns from './list-campaigns/index.js';
 
-export default [listAudiences];
+export default [listAudiences, listCampaigns];
diff --git a/packages/backend/src/apps/mailchimp/dynamic-data/list-campaigns/index.js b/packages/backend/src/apps/mailchimp/dynamic-data/list-campaigns/index.js
new file mode 100644
index 00000000..ca3f49c2
--- /dev/null
+++ b/packages/backend/src/apps/mailchimp/dynamic-data/list-campaigns/index.js
@@ -0,0 +1,42 @@
+export default {
+  name: 'List campaigns',
+  key: 'listCampaigns',
+
+  async run($) {
+    const campaigns = {
+      data: [],
+    };
+    let hasMore = false;
+    const audienceId = $.step.parameters.audienceId;
+
+    const params = {
+      list_id: audienceId,
+      sort_field: 'create_time',
+      sort_dir: 'DESC',
+      count: 1000,
+      offset: 0,
+    };
+
+    do {
+      const { data } = await $.http.get('/3.0/campaigns', { params });
+      params.offset = params.offset + params.count;
+
+      if (data?.campaigns) {
+        for (const campaign of data.campaigns) {
+          campaigns.data.push({
+            value: campaign.id,
+            name: campaign.settings.title || campaign.settings.subject_line,
+          });
+        }
+      }
+
+      if (data.total_items > params.offset) {
+        hasMore = true;
+      } else {
+        hasMore = false;
+      }
+    } while (hasMore);
+
+    return campaigns;
+  },
+};
diff --git a/packages/backend/src/apps/mailchimp/triggers/email-opened/index.js b/packages/backend/src/apps/mailchimp/triggers/email-opened/index.js
new file mode 100644
index 00000000..16fc4a5c
--- /dev/null
+++ b/packages/backend/src/apps/mailchimp/triggers/email-opened/index.js
@@ -0,0 +1,101 @@
+import defineTrigger from '../../../../helpers/define-trigger.js';
+
+export default defineTrigger({
+  name: 'Email opened',
+  key: 'emailOpened',
+  pollInterval: 15,
+  description:
+    'Triggers when a recipient opens an email as part of a particular campaign.',
+  arguments: [
+    {
+      label: 'Audience',
+      key: 'audienceId',
+      type: 'dropdown',
+      required: true,
+      description: '',
+      variables: true,
+      source: {
+        type: 'query',
+        name: 'getDynamicData',
+        arguments: [
+          {
+            name: 'key',
+            value: 'listAudiences',
+          },
+        ],
+      },
+    },
+    {
+      label: 'Campaign Type',
+      key: 'campaignType',
+      type: 'dropdown',
+      required: true,
+      description: '',
+      variables: true,
+      options: [
+        {
+          label: 'Campaign',
+          value: 'campaign',
+        },
+      ],
+    },
+    {
+      label: 'Campaign',
+      key: 'campaignId',
+      type: 'dropdown',
+      required: true,
+      dependsOn: ['parameters.audienceId'],
+      description: '',
+      variables: true,
+      source: {
+        type: 'query',
+        name: 'getDynamicData',
+        arguments: [
+          {
+            name: 'key',
+            value: 'listCampaigns',
+          },
+          {
+            name: 'parameters.audienceId',
+            value: '{parameters.audienceId}',
+          },
+        ],
+      },
+    },
+  ],
+
+  async run($) {
+    const campaignId = $.step.parameters.campaignId;
+    let hasMore = false;
+
+    const params = {
+      count: 1000,
+      offset: 0,
+    };
+
+    do {
+      const { data } = await $.http.get(
+        `/3.0/reports/${campaignId}/open-details`,
+        { params }
+      );
+      params.offset = params.offset + params.count;
+
+      if (data.members?.length) {
+        for (const member of data.members) {
+          $.pushTriggerItem({
+            raw: member,
+            meta: {
+              internalId: member.email_id,
+            },
+          });
+        }
+      }
+
+      if (data.total_items > params.offset) {
+        hasMore = true;
+      } else {
+        hasMore = false;
+      }
+    } while (hasMore);
+  },
+});
diff --git a/packages/backend/src/apps/mailchimp/triggers/index.js b/packages/backend/src/apps/mailchimp/triggers/index.js
index ec7f4fa0..d659e315 100644
--- a/packages/backend/src/apps/mailchimp/triggers/index.js
+++ b/packages/backend/src/apps/mailchimp/triggers/index.js
@@ -1,4 +1,5 @@
+import emailOpened from './email-opened/index.js';
 import newSubscribers from './new-subscribers/index.js';
 import newUnsubscribers from './new-unsubscribers/index.js';
 
-export default [newSubscribers, newUnsubscribers];
+export default [emailOpened, newSubscribers, newUnsubscribers];
diff --git a/packages/docs/pages/apps/mailchimp/triggers.md b/packages/docs/pages/apps/mailchimp/triggers.md
index 54ceb6ca..cf303bfe 100644
--- a/packages/docs/pages/apps/mailchimp/triggers.md
+++ b/packages/docs/pages/apps/mailchimp/triggers.md
@@ -1,6 +1,8 @@
 ---
 favicon: /favicons/mailchimp.svg
 items:
+  - name: Email opened
+    desc: Triggers when a recipient opens an email as part of a particular campaign.
   - name: New subscribers
     desc: Triggers when a new subscriber is appended to an audience.
   - name: New unsubscribers