diff --git a/internal/events/trigger/trigger_event_test.go b/internal/events/trigger/trigger_event_test.go
index d47c3730..5471faf1 100644
--- a/internal/events/trigger/trigger_event_test.go
+++ b/internal/events/trigger/trigger_event_test.go
@@ -172,7 +172,8 @@ func TestFire(t *testing.T) {
 		Count:          0,
 	}
 	res, err = Fire(params)
-	a.NotNil(err)
+	a.Nil(err)
+	a.NotEmpty(res)
 
 	params = *&TriggerParameters{
 		Event:          "add-reward",
diff --git a/internal/events/types/extension_transaction/transaction_event.go b/internal/events/types/extension_transaction/transaction_event.go
index 60a8e0a3..cebb8bc1 100644
--- a/internal/events/types/extension_transaction/transaction_event.go
+++ b/internal/events/types/extension_transaction/transaction_event.go
@@ -4,9 +4,9 @@ package extension_transaction
 
 import (
 	"encoding/json"
-	"errors"
 	"time"
 
+	"github.com/spf13/viper"
 	"github.com/twitchdev/twitch-cli/internal/events"
 	"github.com/twitchdev/twitch-cli/internal/models"
 	"github.com/twitchdev/twitch-cli/internal/util"
@@ -14,7 +14,7 @@ import (
 
 var transportsSupported = map[string]bool{
 	models.TransportWebSub:   true,
-	models.TransportEventSub: false,
+	models.TransportEventSub: true,
 }
 
 var triggerSupported = []string{"transaction"}
@@ -23,6 +23,9 @@ var triggerMapping = map[string]map[string]string{
 	models.TransportWebSub: {
 		"transaction": "transaction",
 	},
+	models.TransportEventSub: {
+		"transaction": "extension.bits_transaction.create",
+	},
 }
 
 type Event struct{}
@@ -31,12 +34,55 @@ func (e Event) GenerateEvent(params events.MockEventParameters) (events.MockEven
 	var event []byte
 	var err error
 
+	clientID := viper.GetString("clientId")
+
+	// if not configured, generate a random one
+	if clientID == "" {
+		clientID = util.RandomClientID()
+	}
+
 	if params.Cost == 0 {
 		params.Cost = 100
 	}
 	switch params.Transport {
 	case models.TransportEventSub:
-		return events.MockEventResponse{}, errors.New("Extension transactions are unsupported on Eventsub")
+		body := &models.TransactionEventSubResponse{
+			Subscription: models.EventsubSubscription{
+				ID:      params.ID,
+				Status:  "enabled",
+				Type:    triggerMapping[params.Transport][params.Trigger],
+				Version: "1",
+				Condition: models.EventsubCondition{
+					ExtensionClientID: clientID,
+				},
+				Transport: models.EventsubTransport{
+					Method:   "webhook",
+					Callback: "null",
+				},
+				Cost:      1,
+				CreatedAt: util.GetTimestamp().Format(time.RFC3339Nano),
+			},
+			Event: models.TransactionEventSubEvent{
+				ID:                   params.ID,
+				ExtensionClientID:    clientID,
+				BroadcasterUserID:    params.ToUserID,
+				BroadcasterUserLogin: "testBroadcaster",
+				BroadcasterUserName:  "testBroadcaster",
+				UserName:             "testUser",
+				UserLogin:            "testUser",
+				UserID:               params.FromUserID,
+				Product: models.TransactionEventSubProduct{
+					Name:          "Test Trigger Item from CLI",
+					Sku:           "testItemSku",
+					Bits:          params.Cost,
+					InDevelopment: true,
+				},
+			},
+		}
+		event, err = json.Marshal(body)
+		if err != nil {
+			return events.MockEventResponse{}, err
+		}
 	case models.TransportWebSub:
 		body := *&models.TransactionWebSubResponse{
 			Data: []models.TransactionWebsubEvent{
diff --git a/internal/events/types/extension_transaction/transaction_event_test.go b/internal/events/types/extension_transaction/transaction_event_test.go
index 9b146f4c..53f911a6 100644
--- a/internal/events/types/extension_transaction/transaction_event_test.go
+++ b/internal/events/types/extension_transaction/transaction_event_test.go
@@ -6,6 +6,7 @@ import (
 	"encoding/json"
 	"testing"
 
+	"github.com/spf13/viper"
 	"github.com/twitchdev/twitch-cli/internal/events"
 	"github.com/twitchdev/twitch-cli/internal/models"
 	"github.com/twitchdev/twitch-cli/test_setup"
@@ -13,6 +14,7 @@ import (
 
 var fromUser = "1234"
 var toUser = "4567"
+var clientId = "7890"
 
 func TestWebusbTransaction(t *testing.T) {
 	a := test_setup.SetupTestEnv(t)
@@ -46,8 +48,18 @@ func TestEventsubTransaction(t *testing.T) {
 		Trigger:    "transaction",
 	}
 
-	_, err := Event{}.GenerateEvent(params)
-	a.NotNil(err)
+	viper.Set("clientId", clientId)
+
+	r, err := Event{}.GenerateEvent(params)
+	a.Nil(err)
+
+	var body models.TransactionEventSubResponse
+	err = json.Unmarshal(r.JSON, &body)
+	a.Nil(err)
+
+	a.Equal(toUser, body.Event.BroadcasterUserID, "Expected to user %v, got %v", toUser, body.Event.BroadcasterUserID)
+	a.Equal(fromUser, body.Event.UserID, "Expected from user %v, got %v", fromUser, body.Event.UserID)
+	a.Equal(clientId, body.Event.ExtensionClientID, "Expected client id %v, got %v", clientId, body.Event.ExtensionClientID)
 }
 
 func TestFakeTransport(t *testing.T) {
diff --git a/internal/models/eventsub.go b/internal/models/eventsub.go
index 3f17b77a..7c88d736 100644
--- a/internal/models/eventsub.go
+++ b/internal/models/eventsub.go
@@ -23,6 +23,7 @@ type EventsubCondition struct {
 	ToBroadcasterUserID   string `json:"to_broadcaster_user_id,omitempty"`
 	FromBroadcasterUserID string `json:"from_broadcaster_user_id,omitempty"`
 	ClientID              string `json:"client_id,omitempty"`
+	ExtensionClientID     string `json:"extension_client_id,omitempty"`
 }
 
 type EventsubResponse struct {
diff --git a/internal/models/transactions.go b/internal/models/transactions.go
index f231e842..c7bd47f6 100644
--- a/internal/models/transactions.go
+++ b/internal/models/transactions.go
@@ -2,6 +2,30 @@
 // SPDX-License-Identifier: Apache-2.0
 package models
 
+type TransactionEventSubEvent struct {
+	ID                   string                     `json:"id"`
+	ExtensionClientID    string                     `json:"extension_client_id"`
+	BroadcasterUserID    string                     `json:"broadcaster_user_id"`
+	BroadcasterUserLogin string                     `json:"broadcaster_user_login"`
+	BroadcasterUserName  string                     `json:"broadcaster_user_name"`
+	UserName             string                     `json:"user_name"`
+	UserLogin            string                     `json:"user_login"`
+	UserID               string                     `json:"user_id"`
+	Product              TransactionEventSubProduct `json:"product"`
+}
+
+type TransactionEventSubProduct struct {
+	Name          string `json:"name"`
+	Sku           string `json:"sku"`
+	Bits          int64  `json:"bits"`
+	InDevelopment bool   `json:"in_development"`
+}
+
+type TransactionEventSubResponse struct {
+	Subscription EventsubSubscription     `json:"subscription"`
+	Event        TransactionEventSubEvent `json:"event"`
+}
+
 type TransactionWebsubEvent struct {
 	ID              string             `json:"id"`
 	Timestamp       string             `json:"timestamp"`