Caitanya-caritāmṛta 4.276
maṅgalācaraṇaṁ kṛṣṇa- caitanya-tattva-lakṣaṇam prayojanaṁ cāvatāre śloka-ṣaṭkair nirūpitam
[mangalaacharanam krishna- chaitanya-tattva-lakshanam prayojanam chaavataare shloka-shatkair niroopitam]
Blended reading (Sanskrit + English inline)
maṅgalācaraṇaṁ kṛṣṇa- caitanya-tattva-lakṣaṇam prayojanaṁ cāvatāre śloka-ṣaṭkair nirūpitam
Thus the auspicious invocation, the essential nature of the truth of Lord Caitanya, and the need for His appearance have been set forth in six verses.
My note
Source: vedabase.io