diff --git a/src/app/dashboard/customers/[id]/actions.ts b/src/app/dashboard/customers/[id]/actions.ts
new file mode 100644
index 0000000..ed7470b
--- /dev/null
+++ b/src/app/dashboard/customers/[id]/actions.ts
@@ -0,0 +1,51 @@
+'use server'
+
+import { createClient } from "@/lib/supabase/server"
+import { revalidatePath } from "next/cache"
+import { logAction } from "@/lib/logger"
+
+export async function deleteCustomer(id: string) {
+    const supabase = await createClient()
+
+    const { error } = await supabase
+        .from('customers')
+        .delete()
+        .eq('id', id)
+
+    if (error) throw new Error(error.message)
+
+    await logAction('delete_customer', 'customer', id)
+    revalidatePath('/dashboard/customers')
+}
+
+export async function updateCustomer(id: string, data: {
+    full_name: string;
+    phone?: string;
+    email?: string;
+    city?: string;
+    district?: string;
+    address?: string;
+    notes?: string
+}) {
+    const supabase = await createClient()
+
+    const { error } = await supabase
+        .from('customers')
+        .update({
+            full_name: data.full_name,
+            phone: data.phone,
+            email: data.email || null,
+            city: data.city,
+            district: data.district,
+            address: data.address,
+            notes: data.notes,
+        })
+        .eq('id', id)
+
+    if (error) throw new Error(error.message)
+
+    await logAction('update_customer', 'customer', id, {
+        full_name: data.full_name
+    })
+    revalidatePath('/dashboard/customers')
+}
diff --git a/src/app/dashboard/customers/new/actions.ts b/src/app/dashboard/customers/new/actions.ts
index 51bb0ed..436dfa0 100644
--- a/src/app/dashboard/customers/new/actions.ts
+++ b/src/app/dashboard/customers/new/actions.ts
@@ -3,6 +3,8 @@
 import { createClient } from "@/lib/supabase/server"
 import { revalidatePath } from "next/cache"
 
+import { logAction } from "@/lib/logger"
+
 export async function createCustomer(data: {
     full_name: string;
     phone?: string;
@@ -14,7 +16,7 @@ export async function createCustomer(data: {
 }) {
     const supabase = await createClient()
 
-    const { error } = await supabase.from('customers').insert({
+    const { data: newCustomer, error } = await supabase.from('customers').insert({
         full_name: data.full_name,
         phone: data.phone,
         email: data.email || null,
@@ -22,11 +24,16 @@ export async function createCustomer(data: {
         district: data.district,
         address: data.address,
         notes: data.notes,
-    })
+    }).select().single()
 
     if (error) {
         throw new Error(error.message)
     }
 
+    await logAction('create_customer', 'customer', newCustomer.id, {
+        full_name: data.full_name,
+        phone: data.phone
+    })
+
     revalidatePath('/dashboard/customers')
 }