How does the teacher intend?

When the person who is an imam will perform the prayer: "I intend to perform the prayer of this day (which time), to be an imam to the congregation" in the form of an intention to intend to intend to imam. Intention is in the same way in the feast of feast prayers and vitrine prayer.

In vain prayer, it is enough to intend to pray. For Tarawih Prayer: "I intend to make the tarawih prayer or the circumcision of the time" should be intended. "