God communicating during prayer

Scripture references

Acts 11:5 (ASV 1901)

5I was in the city of Joppa praying: and in a trance I saw a vision, a certain vessel descending, as it were a great sheet let down from heaven by four corners; and it came even unto me:

Acts 13:2–3 (ASV 1901)

2And as they ministered to the Lord, and fasted, the Holy Spirit said, Separate me Barnabas and Saul for the work whereunto I have called them. 3Then, when they had fasted and prayed and laid their hands on them, they sent them away.

Stories

Mr. Goforth was uncharacteristically filled with anxiety and worry about God's seeming inability to move during a meeting. He continued to worry until he was rebuked by the Lord and as soon as he accepted this rebuke, the Spirit began to move, leading men to confess their sins.
Through prayerful inquiry, Messrs. Müller and Craik were able to adjudge that it was not God's will for them to accept an invitation for mission work in Baghdad, even with their travel costs already covered. This decision to obey God was not regretted by both of them.
Rosalind Goforth was led by God in prayer to try a bread poultice remedy on the burnt foot of a little boy. Even though it felt absurd, Rosalind obeyed and to her astonishment, the remedy worked!
A total stranger was used by the Lord to deliver a timely message to Rosalind Goforth who was about to travel to China in the wake of a cruel murder of missionaries. The message was a note which read: "No weapon that is formed against thee shall prosper. (Isa. 54:17)"
Confused as to whether to travel to England and become an artist or travel to China as a missionary, Rosalind went to God in prayer. And as she prayed, she was led to a scripture than solved her confusion.
Charles Finney visited Antwerp with the intention of preaching, however, on getting there he realized the people were opposed to religious services. After giving himself to prayer, the Lord encouraged him with words from Acts 18:9-11 "Be not afraid, but speak, and hold not thy peace; for I am with thee, and no man shall set on thee to hurt thee. For I have much people in this city." The next Saturday he preached to a packed audience, directly confronting them about their sinful ways and many of them wept!
God sustained Jackie Womack and her five children for a week by multiplying her meager supplies. When the cupboards were finally bare, God spoke to a friend of Jackie’s, through whom He supplied for the pantry.
When an opportunity to join the Navy as a chaplain was presented, Philip was interested, but together with his wife prayed thus; "Lord, if this isn’t your will, you have a week to stop it." That same weekend during a prayer, Philip audibly heard the Lord speak to change their direction.
Nik Ripkin and two other believers went to pay an impromptu visit to a Christian leader in Southeast Asia, but to their surprise; their host was expecting all three of them - the Holy Spirit had spoken to him about their visit.
An old saint with his four sons trusts in the Lord's instruction to suspend their journey until the next day against their usual routine. The route they were supposed to take was attacked in the night.