> For the complete documentation index, see [llms.txt](https://doc.sysdevmobile.com/kalipso5/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.sysdevmobile.com/kalipso5/developing/form/actions/actions-description/group-rfid/rfid-write-tag.md).

# RFID Write Tag

Writes data to a memory bank of a single RFID tag.

Action available for the following operating systems:

![](/files/-MRyMmurYkr5sJQek1Ij)

### Parameters

*General*

* **Address**
  * **Memory Bank** *\<string>*
    * -1 - EPC ID Content
    * 0 - Reserved
    * 1 - EPC
    * 2 - TID
    * 3 - User
  * **Start Adderss** *\<numeric> -* The start address on the memory bank for the write operation. Usually this number must be a multiple of 2, but it may vary depending on the RFID reader or tag.
  * **Data** *\<string> -* The data in hexadecimal format to write to the memory bank. Usually the length of this, in bytes, must be a multiple of 2, but it may vary depending on the RFID reader or tag.
* **Details**
  * **Access Password** *\<string>*
  * **User Parameters** *\<string>*
* **Targets**
  * **Tag ID** *\<variable or control>*
  * **Target RSSI** *\<variable or control>*
  * **Target Scaled RSSI** *\<variable or control>*
  * **Items Frequency** *\<variable or control*>
  * **Target Antenna ID** *\<variable or control>*
  * **Target Value** *\<variable or control>*
  * **Target User Data** *\<variable or control>*

*Filter*

* **Apply Filter** *\<string>*
  * 1 - Yes
  * 2 - No
* **Memory Bank** *\<string>*
  * -1 EPC ID Content
  * 0 Reserved
  * 1 EPC
  * 2 TID
  * 3 User
* **Mask Value** *\<string> -* Hexadecimal
* **Bit Position** *\<numeric> -* Index of the first Bit to apply mask.
* **Bit Lenght** *\<numeric> -* Number of Bits to use in the mask.