# Nordic ID NUR Inventory

This action allows to start/stop an inventory operation.

Action available for the following operating systems:

![](/files/-McsYNWc88h_Sm8kJQcc)

### Parameters

*General*

* **Operation** *\<string> -* Start Inventory is used to start an inventory operation. After this is executed, whenever a tag is found by the inventory operation, the ID of the tag is stored in "Target" and the event "RFID Tag Found" is executed.
* **Target** *\<numeric> -* Whenever a tag is found by the inventory operation, the ID of the tag is stored in this location.
* **Target for RSSI** *\<numeric> -* Whenever a tag is found by the inventory operation, the RSSI of the tag is stored in this location.
* **Target for Scaled RSSI** *\<numeric> -* Whenever a tag is found by the inventory operation, the scaled RSSI (0% to 100%) of the tag is stored in this location.

*Detail*

* **Q** *\<unquoted string*> - Value used for Q parameter during inventory operation. This parameter is used to improve performence of the inventory operation by giving a hint to the reader about the expected "Tag Population".
* **Session** *\<string*> - Session to be used for inventory operation. For detailed description on sessions, please refer to specific documentation about Class1 Gen2 UHF standards.
* **Number of Rounds** *\<string*> - Number of rounds to be performed during inventory operation.

*Filter*

* **Apply Filter** *\<string*> - Specifies if a filter is to be applyed.
* **Memory Bank** *\<string*> - Selectes the memory bank for the filter. Specifying "-1 - EPC ID Content" indicates that the filter should be done on the EPCID inside the EPC memory bank. It is equivalent to making the filter on the EPC memory bank with "Bit Position" parameter = 32.
* **Mask Value** *\<string*> - Hexadecimal mask value to be used for the filter.
* **Bit Position** *\<string*> - Starting bit position for the filter.
* **Bit Lenght** *\<string*> - Number of bits to use from the "Mask Value".

*Return*

* **Inventory ID to Return** *\<string*> - This option allows to have a value different from the EPCID to be returned during the inventory operation. -1 - EPCID is the default and it returns the tag EPCID. 0, 1, 2, 3 allows to select a memory bank to be returned in replacement for the EPCID 10, 11, 12, 13 allows to select a memory bank to be returned appended at the end of the EPCID.
* **Start Address** *\<string*> - Start address in the specified memory bank to be read. Normally should be a multiple of 2.
* **Number of Bytes** *\<string*> - Number of bytes in the specified memory bank to be read. Normally should be a multiple of 2.


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