diff --git a/plugins/automation/config/locales/client.en.yml b/plugins/automation/config/locales/client.en.yml
index 91109ef8ea4..22e12b7f07f 100644
--- a/plugins/automation/config/locales/client.en.yml
+++ b/plugins/automation/config/locales/client.en.yml
@@ -222,6 +222,10 @@ en:
               label: Valid trust levels
               description: Will trigger only if post is created by user in these trust levels, defaults to any trust level
         topic_tags_changed:
+          trigger_on_modes:
+            tags_added_or_removed: Tags added or removed
+            tags_added: Tags added
+            tags_removed: Tags removed
           fields:
             watching_categories:
               label: Watching categories
@@ -229,6 +233,8 @@ en:
             watching_tags:
               label: Watching tags
               description: Will trigger only if the topic has any of these tags
+            trigger_on:
+              label: Trigger on
             trigger_with_pms:
               label: Trigger with PMs
               description: Will trigger even if the tags were changed in a PM
diff --git a/plugins/automation/lib/discourse_automation/event_handlers.rb b/plugins/automation/lib/discourse_automation/event_handlers.rb
index 0ce2903efa5..031bd65a444 100644
--- a/plugins/automation/lib/discourse_automation/event_handlers.rb
+++ b/plugins/automation/lib/discourse_automation/event_handlers.rb
@@ -243,6 +243,17 @@ module DiscourseAutomation
             next if (changed_tags & watching_tags["value"]).empty?
           end
 
+          trigger_on = automation.trigger_field("trigger_on")["value"]
+
+          if trigger_on == Triggers::TopicTagsChanged::TriggerOn::TAGS_ADDED && added_tags.empty?
+            next
+          end
+
+          if trigger_on == Triggers::TopicTagsChanged::TriggerOn::TAGS_REMOVED &&
+               removed_tags.empty?
+            next
+          end
+
           automation.trigger!(
             "kind" => name,
             "topic" => topic,
diff --git a/plugins/automation/lib/discourse_automation/triggers/topic_tags_changed.rb b/plugins/automation/lib/discourse_automation/triggers/topic_tags_changed.rb
index 092d4bd20a7..9cbd5ce119b 100644
--- a/plugins/automation/lib/discourse_automation/triggers/topic_tags_changed.rb
+++ b/plugins/automation/lib/discourse_automation/triggers/topic_tags_changed.rb
@@ -1,8 +1,46 @@
 # frozen_string_literal: true
 
+module DiscourseAutomation
+  module Triggers
+    module TopicTagsChanged
+      module TriggerOn
+        TAGS_ADDED_OR_REMOVED = "tags_added_or_removed"
+        TAGS_ADDED = "tags_added"
+        TAGS_REMOVED = "tags_removed"
+
+        MODES = [
+          {
+            id: TAGS_ADDED_OR_REMOVED,
+            name:
+              "discourse_automation.triggerables.topic_tags_changed.trigger_on_modes.tags_added_or_removed",
+          },
+          {
+            id: TAGS_ADDED,
+            name:
+              "discourse_automation.triggerables.topic_tags_changed.trigger_on_modes.tags_added",
+          },
+          {
+            id: TAGS_REMOVED,
+            name:
+              "discourse_automation.triggerables.topic_tags_changed.trigger_on_modes.tags_removed",
+          },
+        ]
+      end
+    end
+  end
+end
+
 DiscourseAutomation::Triggerable.add(DiscourseAutomation::Triggers::TOPIC_TAGS_CHANGED) do
   field :watching_categories, component: :categories
   field :watching_tags, component: :tags
+  field :trigger_on,
+        component: :choices,
+        extra: {
+          content: DiscourseAutomation::Triggers::TopicTagsChanged::TriggerOn::MODES,
+        },
+        default_value:
+          DiscourseAutomation::Triggers::TopicTagsChanged::TriggerOn::TAGS_ADDED_OR_REMOVED,
+        required: true
   field :trigger_with_pms, component: :boolean
 
   placeholder :topic_url
diff --git a/plugins/automation/spec/triggers/topic_tags_changed_spec.rb b/plugins/automation/spec/triggers/topic_tags_changed_spec.rb
index a0474ea4cc8..75e80cc0d7a 100644
--- a/plugins/automation/spec/triggers/topic_tags_changed_spec.rb
+++ b/plugins/automation/spec/triggers/topic_tags_changed_spec.rb
@@ -328,5 +328,79 @@ describe DiscourseAutomation::Triggers::TOPIC_TAGS_CHANGED do
         end
       expect(list.length).to eq(1)
     end
+
+    context "with TAGS_ADDED set in trigger_on field" do
+      it "should fire if tag is added" do
+        automation.upsert_field!(
+          "trigger_on",
+          "choices",
+          { value: DiscourseAutomation::Triggers::TopicTagsChanged::TriggerOn::TAGS_ADDED },
+          target: "trigger",
+        )
+
+        topic_0 = Fabricate(:topic, user: user, tags: [])
+
+        list =
+          capture_contexts do
+            DiscourseTagging.tag_topic_by_names(topic_0, Guardian.new(user), [cool_tag.name])
+          end
+
+        expect(list.length).to eq(1)
+        expect(list[0]["kind"]).to eq(DiscourseAutomation::Triggers::TOPIC_TAGS_CHANGED)
+      end
+
+      it "should not fire if tag is removed" do
+        automation.upsert_field!(
+          "trigger_on",
+          "choices",
+          { value: DiscourseAutomation::Triggers::TopicTagsChanged::TriggerOn::TAGS_ADDED },
+          target: "trigger",
+        )
+
+        topic_0 = Fabricate(:topic, user: user, tags: [cool_tag])
+
+        list =
+          capture_contexts { DiscourseTagging.tag_topic_by_names(topic_0, Guardian.new(user), []) }
+
+        expect(list.length).to eq(0)
+      end
+    end
+
+    context "with TAGS_REMOVED set in trigger_on field" do
+      it "should fire if tag is removed" do
+        automation.upsert_field!(
+          "trigger_on",
+          "choices",
+          { value: DiscourseAutomation::Triggers::TopicTagsChanged::TriggerOn::TAGS_REMOVED },
+          target: "trigger",
+        )
+
+        topic_0 = Fabricate(:topic, user: user, tags: [cool_tag])
+
+        list =
+          capture_contexts { DiscourseTagging.tag_topic_by_names(topic_0, Guardian.new(user), []) }
+
+        expect(list.length).to eq(1)
+        expect(list[0]["kind"]).to eq(DiscourseAutomation::Triggers::TOPIC_TAGS_CHANGED)
+      end
+
+      it "should not fire if tag is added" do
+        automation.upsert_field!(
+          "trigger_on",
+          "choices",
+          { value: DiscourseAutomation::Triggers::TopicTagsChanged::TriggerOn::TAGS_REMOVED },
+          target: "trigger",
+        )
+
+        topic_0 = Fabricate(:topic, user: user, tags: [])
+
+        list =
+          capture_contexts do
+            DiscourseTagging.tag_topic_by_names(topic_0, Guardian.new(user), [cool_tag.name])
+          end
+
+        expect(list.length).to eq(0)
+      end
+    end
   end
 end