While Applying for the Turkey Visa Application Keep following document ready.
Turkey Visa Check list
Tunisian citizens do not need a tourist visa to visit Turkey for up to 90 days. Tunisia requires a visa for stays of longer than 90 days. Tunisians can apply for a visa at E Visa Turkey and stay for more than 90 days.
No, Tunisians do not need a visa for Turkey for a stay up to 90 days. If you plan to stay more than 90 days. Better to apply for a visa at E Visa Turkey and get a visa before travelling. You need a visa to stay for more than 90 days.