The Messaging Block is used to send Bluetooth Messages between EV3 Bricks.

To send or receive a message, the EV3 Bricks must first be connected, either by the on-brick Bluetooth Menu or through the Bluetooth Connection block.

　

Use the Mode Selector to select how you want the Messaging Block to work. After selecting the mode, you can choose values for the inputs. The inputs available will change depending on the mode.

　

[Modes] : Send , Receive , Compare