The Two Testifications of Faith Meaning
بِسْمِ اللهِ الرَّحْمَنِ الرَّحِيم
One becomes a Muslim by believing in the Two Testifications of Faith and uttering them with the intention of leaving out blasphemy. The Two Testifications of Faith are: I testify that no one is God except God and I testify that Muḥammad is the prophet of God.
If someone does not know how to say Muḥammad he can call the prophet by Abu l-Gaacim: no one is God except God and Abu l-Gaacim is the prophet of God.https://www.islam.ms/en/?p=21