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Ron Hale-Evans 2016-06-02 12:52:03 -07:00
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docs/reference/radio/on-data-received.md
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# On Data Received
Registers code to run when a packet is received over ``radio``.
Run part of a program when the micro:bit receives a
[number](/reference/types/number) or [string](/reference/types/string) over ``radio``.
### Parameters
* body - is an action
* **body** is the part of the program to run when the micro:bit receives information over ``radio``.
### Example
This program never stops. It keeps sending numbers that says how
fast the micro:bit is slowing down or speeding up. It also receives
numbers that say how fast nearby micro:bits are going. It
shows these numbers as a [bar graph](/reference/led/plot-bar-graph).
```blocks
basic.forever(() => {
radio.sendNumber(input.acceleration(Dimension.X));
@ -19,5 +25,6 @@ radio.onDataReceived(() => {
### See also
[receive number](/reference/radio/receive-number), [send number](/reference/radio/send-number), [set group](/reference/radio/set-group)
[receive number](/reference/radio/receive-number),
[send number](/reference/radio/send-number), [set group](/reference/radio/set-group)