Since the driver does not have a Microsoft account, you cannot use Teams, Outlook approvals, or internal notifications.
The best and most reliable channels are:
SMS (Text Message)
External email (Gmail, Yahoo, etc.)
WhatsApp / LINE / Telegram (via connectors or APIs)
The recommended option for drivers is SMS, because it does not require any account and works on any phone.
Best notification options (ranked)
1. SMS (Recommended)
Best choice for drivers without Microsoft accounts
How it works
Use Power Automate with a connector like:
Twilio
Azure Communication Services (SMS)
Send booking details directly to the driver’s phone number
Pros
No app or login required
Immediate delivery
Works on basic phones
Cons
Small cost per message
2. External Email (Simple & Free)
If the driver has any email address (Gmail, Yahoo, etc.):
Use Outlook – Send an email (V2)
Send to external addresses
Pros
No extra licensing
Easy to implement
Cons
Driver may not check email instantly
3. WhatsApp / Messaging Apps
Good if drivers already use them
Options:
Twilio WhatsApp
Third‑party connectors
Pros
High engagement
Rich message content
Cons
More setup
Usually paid
What does NOT work (important)
❌ Microsoft Teams
❌ Power Automate Approvals
❌ Adaptive Cards
❌ In‑app Power Apps notifications
All of these require a Microsoft account.
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