Basic Rules , pg. 274
Sending
3-level
Evocation
Casting Time 1 action
Range Unlimited
Duration 1 Round
Components V, S, M
Materials A short piece of fine copper wire.
Damage Type: Communication
Saving Throws: None
Description: You send a short message of twenty-five words or less to a creature with which you are familiar. The creature hears the message in its mind, recognizes you as the sender if it knows you, and can answer in a like manner immediately. The spell enables creatures with Intelligence scores of at least 1 to understand the meaning of your message.
You can send the message across any distance and even to other planes of existence, but if the target is on a different plane than you, there is a 5 percent chance that the message doesn't arrive.
Class(es): Bard, Cleric, Wizard, Sorcerer