Phidget.WriteRFID
-----------------

Writes data to the tag being currently read by the reader.

| Component | Version | macOS | Windows | Linux | Server | iOS SDK |
|---|---|---|---|---|---|---|
| [Phidget](component_Phidget.md) | [15.5](newinversion155.md) | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |

MBS( "Phidget.WriteRFID"; PhidgetRef; tagString { ; lockTag; protocol; chipset } ) 

**MBS**( **"Phidget.WriteRFID";** /\* Writes data to the tag being currently read by the reader. \*/  
**$PhidgetRef**; /\* The reference number for the phidget.e.g. $phidget \*/   
**$tagString**; /\* The data to write to the tag.e.g. "TAG-1234" \*/   
**$lockTag**; /\* Optional; If true, permanently locks the tag so that it cannot be re-written after this write.  
Default is false.e.g. false \*/   
**$protocol**; /\* Optional; The communication protocol to use.  
Can be EM4100, ISO11785 FDX B, PHIDGETS, HID GENERIC, or HID H10301.  
Default is PHIDGETS.e.g. "PHIDGETS" \*/   
**$chipset**) /\* Optional; The chipset to write for.  
Can be T5577 or EM4305 FDX B.e.g. "T5577" \*/ 

### Parameters

| Parameter | Description | Example | Flags |
|---|---|---|---|
| PhidgetRef | The reference number for the phidget. | $phidget |  |
| tagString | The data to write to the tag. | "TAG-1234" |  |
| lockTag | If true, permanently locks the tag so that it cannot be re-written after this write.   Default is false. | false | Optional |
| protocol | The communication protocol to use.   Can be EM4100, ISO11785 FDX B, PHIDGETS, HID GENERIC, or HID H10301.   Default is PHIDGETS. | "PHIDGETS" | Optional |
| chipset | The chipset to write for.   Can be T5577 or EM4305 FDX B. | "T5577" | Optional |

### Result

Returns OK or error.

### Description

Writes data to the tag being currently read by the reader.  
You cannot write to a read-only or locked tag.  
### See also

- [Phidget.WriteText](PhidgetWriteText.md)

### Release notes

- **Version 15.5**
    - Added [Phidget.WriteRFID](https://www.mbsplugins.eu/PhidgetWriteRFID.shtml) function.

### Blog Entries

- [New in MBS FileMaker Plugin 15.5](https://www.mbsplugins.de/archive/2025-11-25/New_in_MBS_FileMaker_Plugin_15/monkeybreadsoftware_blog_filemaker)
- [Neues MBS Plugin 15.5 für Claris FileMaker](https://www.mbsplugins.de/archive/2025-11-18/Neues_MBS_Plugin_155_für_Clar/monkeybreadsoftware_blog_filemaker)
- [MBS Plugin 15.5 for Claris FileMaker](https://www.mbsplugins.de/archive/2025-11-18/MBS_Plugin_155_for_Claris_File/monkeybreadsoftware_blog_filemaker)
- [MBS FileMaker Plugin, version 15.5pr1](https://www.mbsplugins.de/archive/2025-10-01/MBS_FileMaker_Plugin_version_1/monkeybreadsoftware_blog_filemaker)

This function checks for a license.

Created 19th September 2025 , last changed 19th September 2025

  
[Phidget.SynchronizeAnimations](PhidgetSynchronizeAnimations.md) - [Phidget.WriteText](PhidgetWriteText.md)

[HTML Version](PhidgetWriteRFID.shtml)