Step 1: Go to developer.facebook.com and select the app you have created already.
Step 2: Click on the Business Manager link associated with .your WhatsApp Cloud API app.
Step 3: After click on the Business manager link, Meta business setting page will be opened, select System users.
Step 4: In System users, Click on Add button to create a system user.
Step 5: Fill the details such as System username and System user role as Admin
Step 6: Click on Add Assets option
Step 7: Select Apps > Name. Enable Manage app option and click Save changes.
Step 8: Assets will be added successfully.
Step 9: Click on Generate New Token.
Step 10: From the drop down select your app name.
Step 11: After selecting the app, a list of all available permission will be shown.
Step 12: For WhatsApp cloud API, you need to select whatsapp_business_messaging and whatsapp_business_management from the list and click on Generate Token.
Step 13: Once you click on generate token, your permanent token will be generated. Save this token on your laptop/PC for integration purposes.
