Drip Campaign Expert Sms, Email and Call

I need someone Who have depth Understanding of Drip Campaign And Dynamic event and Time Management system In laravel.
These Events Scheduled for Future time Like One sms go after 50mint then 2nd Sms Goes in 70mints So On.
I need True Expert Who can show me the Demo First and Answer My quick Question. Please Write *True Expert Drip* so that i can consider your bid