pxt-calliope/docs/reference/serial/on-data-received.md
Sam El-Husseini e3975e65e5 pxt-microbit Accessibility PR ()
* Accessibility changes
2017-09-07 13:42:08 -07:00

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# Serial On Data Received
Registers an event to be fired when one of the delimiter is matched.
```sig
serial.onDataReceived(",", () => {})
```
## Parameters
* `delimiters` is a [string](/types/string) containing any of the character to match
## Example
Read values separated by `,`:
```blocks
serial.onDataReceived(serial.delimiters(Delimiters.Comma), () => {
basic.showString(serial.readUntil(serial.delimiters(Delimiters.Comma)))
})
```
## See also
[serial](/device/serial),
[serial write line](/reference/serial/write-line),
[serial write value](/reference/serial/write-value)