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Working with the CHIP Tool

The CHIP Tool (chip-tool) is a Matter controller implementation that allows to commission a Matter device into the network and to communicate with it using Matter messages, which may encode Data Model actions, such as cluster commands. The tool also provides other utilities specific to Matter, such as parsing of the setup payload or performing discovery actions.

Source files

You can find source files of the CHIP Tool in the examples/chip-tool directory.

Note: The CHIP Tool caches the configuration state in the /tmp/chip_tool_config.ini file. Deleting this and other .ini files in the /tmp directory can sometimes resolve issues related to stale configuration.

Building and running the CHIP Tool

Before you can use the CHIP Tool, you must compile it from source on Linux (amd64/aarch64) or macOS. If you want to run it on Raspberry Pi, it must use a 64-bit OS.

Note: To ensure compatibility, always build the CHIP Tool and the Matter device from the same revision of the connectedhomeip repository.

Building the CHIP Tool

To build and run the CHIP Tool:

  1. Install all required packages for Matter and prepare the source code and the build system. Read the Building Matter guide for instructions.

  2. Open a command prompt in the connectedhomeip directory.

  3. Run the following command:

    ./scripts/examples/gn_build_example.sh examples/chip-tool BUILD_PATH

    In this command, BUILD_PATH specifies where the target binaries are to be placed.

Running the CHIP Tool

To check if the CHIP Tool runs correctly, execute the following command from the BUILD_PATH directory:

$ ./chip-tool

As a result, the CHIP Tool prints all available commands. These are called clusters in this context, but not all listed commands correspond to the clusters in the Data Model (for example, pairing or discover commands). Each listed command can however become the root of the new more complex command by appending it with sub-commands. Examples of specific commands and their use cases are described in the Supported commands and options section.

Using CHIP Tool for Matter device testing

This section describes how to use CHIP Tool to test the Matter device. The following steps depend on the application clusters that you implemented on the device.

This tutorial is using the Matter Lighting Application Example with the Bluetooth LE commissioning method support. You can use other Matter examples and still follow this procedure. If you use a different example, the Step 7 may vary depending on the clusters implemented in your application.

Step 1: Prepare the Matter device

Build and program the device with the Matter device firmware by following the Matter Lighting Application Example documentation.

Step 2: Enable Bluetooth LE advertising on Matter device

Some examples are configured to advertise automatically on boot. Other examples require physical trigger, for example pushing a button. Follow the documentation of the Matter device example to learn how Bluetooth LE advertising is enabled for the given example.

Step 3: Make sure the IP network is set up

To follow the next steps, the IP network must be up and running. For instance, the Thread network can be established using OpenThread Border Router.

Step 4: Determine network pairing credentials

You must provide the CHIP Tool with network credentials that will be used in the device commissioning procedure to configure the device with a network interface, such as Thread or Wi-Fi.

The Matter specification does not define the preferred way of how the network credentials are to be obtained by controller. In this guide, we are going to obtain Thread network credentials.

Thread network credentials

Fetch and store the current Active Operational Dataset from the Thread Border Router. This step may vary depending on the Thread Border Router implementation.

If you are using OpenThread Border Router (OTBR), retrieve this information using one of the following commands:

  • For OTBR running in Docker:

    sudo docker exec -it otbr sh -c "sudo ot-ctl dataset active -x"
0e080000000000010000000300001335060004001fffe002084fe76e9a8b5edaf50708fde46f999f0698e20510d47f5027a414ffeebaefa92285cc84fa030f4f70656e5468726561642d653439630102e49c0410b92f8c7fbb4f9f3e08492ee3915fbd2f0c0402a0fff8
Done

  • For OTBR native installation:

    sudo ot-ctl dataset active -x
0e080000000000010000000300001335060004001fffe002084fe76e9a8b5edaf50708fde46f999f0698e20510d47f5027a414ffeebaefa92285cc84fa030f4f70656e5468726561642d653439630102e49c0410b92f8c7fbb4f9f3e08492ee3915fbd2f0c0402a0fff8
Done

For Thread, you might also use a different out-of-band method to fetch the network credentials.

Wi-Fi network credentials

You must get the following Wi-Fi network credentials to commission the Matter device to the Wi-Fi network in the following steps:

  • Wi-Fi SSID
  • Wi-Fi password

The steps required to determine the SSID and password may vary depending on the setup. For instance, you might need to contact your local Wi-Fi network administrator.

Step 5: Determine Matter device's discriminator and setup PIN code

Matter uses a 12-bit value called discriminator to discern between multiple commissionable device advertisements and a 27-bit setup PIN code to authenticate the device. You can find these values in the logging terminal of the device (for instance, UART) when the device boots up. For example:

I: 254 [DL]Device Configuration:
I: 257 [DL] Serial Number: TEST_SN
I: 260 [DL] Vendor Id: 65521 (0xFFF1)
I: 263 [DL] Product Id: 32768 (0x8000)
I: 267 [DL] Hardware Version: 1
I: 270 [DL] Setup Pin Code: 20202021
I: 273 [DL] Setup Discriminator: 3840 (0xF00)
I: 278 [DL] Manufacturing Date: (not set)
I: 281 [DL] Device Type: 65535 (0xFFFF)

In above printout, the discriminator is 3840 (0xF00) and the setup PIN code is equal to 20202021.

Step 6: Commission Matter device into existing IP network

Before communicating with the Matter device, first it must join an existing IP network.

Matter devices may use different commissioning channel. Typically, devices which are not yet connected to the target IP network use Bluetooth LE as the commissioning channel. However, if the device has already joined an IP network, the only thing needed is to commission it to the Matter network over the IP protocol.

Commissioning over Bluetooth LE

This section describes how your device can join the existing IP network over Bluetooth LE and then be commissioned into a Matter network.

After connecting the device over Bluetooth LE, the controller will print the following log:

Secure Session to Device Established

This log will mean that the PASE (Password-Authenticated Session Establishment) session using SPAKE2+ protocol has been established.

Commissioning into Thread network over Bluetooth LE

To commission the device to the existing Thread network, use the following command pattern:

$ ./chip-tool pairing ble-thread <node_id> hex:<operational_dataset> <pin_code> <discriminator>

In this command:

  • <node_id> is the user-defined ID of the node being commissioned.
  • <operational_dataset> is the Operational Dataset determined in the step 3.
  • <pin_code> and <discriminator> are device-specific keys determined in the step 4.
Commissioning into Wi-Fi network over Bluetooth LE

To commission the device to the existing Wi-Fi network, use the following command pattern:

$ ./chip-tool pairing ble-wifi <node_id> <ssid> <password> <pin_code> <discriminator>

In this command:

  • <node_id> is the user-defined ID of the node being commissioned.
  • <ssid> and <password> are credentials determined in the step 3.
  • <pin_code> and <discriminator> are device-specific keys determined in the step 4.

If you prefer the hexadecimal format, use the hex: prefix. For example:

$ ./chip-tool pairing ble-wifi <node_id> hex:<ssid> hex:<password> <pin_code> <discriminator>

Note: The <node_id> can be provided as a hexadecimal value with the 0x prefix.

Commissioning into a network over IP

This option is available when the Matter device is already present in an IP network, but it has not been commissioned to a Matter network yet.

To commission the device, you can use either the setup PIN code or the setup PIN code and the discriminator, both of which you obtained in the step 5. Alternatively, you can also use a QR code payload.

Commissioning with setup PIN code

Use the following command pattern to discover devices and try to pair with the first discovered one using the provided setup code:

$ ./chip-tool pairing onnetwork <node_id> <pin_code>

In this command:

  • <node_id> is the user-defined ID of the node being commissioned.
  • <pin_code> is device specific setup PIN code determined in the step 4 and used to discover the device.
Commissioning with long discriminator

Use the following command pattern to discover devices with a long discriminator and try to pair with the first discovered one using the provided setup code.

$ ./chip-tool pairing onnetwork-long <node_id> <pin_code> <discriminator>

In this command:

  • <node_id> is the user-defined ID of the node being commissioned.
  • <pin_code> and <discriminator> are device specific keys determined in the step 4.
Commissioning with QR code payload or manual pairing code

Matter devices log the QR code payload and manual pairing code when they boot.

Use the following command pattern to discover devices based on the given QR code payload or manual pairing code and try to pair with the first discovered one:

$ ./chip-tool pairing code <node_id> <qrcode_payload-or-manual_code>

In this command:

  • <node_id> is the user-defined ID of the node being commissioned.
  • <qrcode_payload-or-manual_code> is the QR code payload ID, for example MT:Y.K9042C00KA0648G00, or a manual pairing code like 749701123365521327694.

Forgetting the already-commissioned device

The following command removes the device with the given node ID from the list of commissioned Matter devices:

$ ./chip-tool pairing unpair <node_id>

In this command, <node_id> is the user-defined ID of the node which is going to be forgotten by the CHIP Tool.

Step 7: Control application Data Model clusters

Having completed all previous steps, you have the Matter device successfully commissioned to the network. You can now test the device by interacting with Data Model clusters.

For instance, in case of the lighting application, the application has the On/Off and Level Control clusters implemented. This means that you can test it by toggling the bulb (using the onoff cluster commands) or manipulating its brightness (using the levelcontrol cluster commands).

Use the following command pattern to toggle the LED state:

$ ./chip-tool onoff toggle <node_id> <endpoint_id>

In this command:

  • <node_id> is the user-defined ID of the commissioned node.
  • <endpoint_id> is the ID of the endpoint with OnOff cluster implemented.

Alternatively, use the following command pattern to change the brightness of the LED:

$ ./chip-tool levelcontrol move-to-level <level> <transition_time> <option_mask> <option_override> <node_id> <endpoint_id>

In this command:

  • <level> is the brightness level encoded between 0 and 254, unless a custom range is configured in the cluster.
  • <transition_time> is the transition time.
  • <option_mask> is the option mask.
  • <option_override> is the option override.
  • <node_id> is the user-defined ID of the commissioned node.
  • <endpoint_id> is the ID of the endpoint with LevelControl cluster implemented.

Step 8: Read basic information from the Matter device

Every Matter device supports the Basic cluster, which maintains the collection of attributes that a controller can obtain from a device. These attributes can include the vendor name, the product name, or the software version.

Use the CHIP Tool's read command on the basic cluster to read those values from the device:

$ ./chip-tool basic read vendor-name <node_id> <endpoint_id>
$ ./chip-tool basic read product-name <node_id> <endpoint_id>
$ ./chip-tool basic read software-version <node_id> <endpoint_id>

In these commands:

  • <node_id> is the user-defined ID of the commissioned node.
  • <endpoint_id> is the ID of the endpoint with Basic cluster implemented.

You can also use the following command to list all available commands for Basic cluster:

$ ./chip-tool basic

Supported commands and options

This section contains a general list of various CHIP Tool commands and options, not limited to commissioning procedure and cluster interaction.

Interactive mode versus single command mode

By default, chip-tool runs in single command mode where if any single command does not complete within a certain timeout period, chip-tool will exit with a timeout error.

Example of error:

[1650992689511] [32397:1415601] CHIP: [TOO] Run command failure: ../../../examples/chip-tool/commands/common/CHIPCommand.cpp:392: CHIP Error 0x00000032: Timeout

This timeout can be modified for any command execution by supplying the optional --timeout parameter, which takes a value in seconds, with the maximum being 65535 seconds.

Example of command:

$ ./chip-tool otasoftwareupdaterequestor subscribe-event state-transition 5 10 0x1234567890 0 --timeout 65535

For commands such as event subscriptions that need to run for an extended period of time, chip-tool can be started in interactive mode first before running the command. In interactive mode, there will be no timeout and multiple commands can be issued.

Example of command:

$ ./chip-tool interactive start
otasoftwareupdaterequestor subscribe-event state-transition 5 10 ${NODE_ID} 0

Printing all supported clusters

To print all clusters supported by the CHIP Tool, run the following command:

$ ./chip-tool

Example of output:

[1647346057.900626][394605:394605] CHIP:TOO: Missing cluster name
Usage:
  ./chip-tool cluster_name command_name [param1 param2 ...]

  +-------------------------------------------------------------------------------------+
  | Clusters:                                                                           |
  +-------------------------------------------------------------------------------------+
  | * accesscontrol                                                                     |
  | * accountlogin                                                                      |
  | * administratorcommissioning                                                        |
  | * alarms                                                                            |
  | * any                                                                               |
  | * appliancecontrol                                                                  |
  | * applianceeventsandalert                                                           |
  | * applianceidentification                                                           |
  | * appliancestatistics                                                               |
  | * applicationbasic                                                                  |

Getting the list of commands supported for a specific cluster

To print the list of commands supported by a specific cluster, use the following command pattern:

$ ./chip-tool <cluster_name>

In this command:

  • <cluster_name> is one of the available clusters (listed with chip-tool).

Example of command:

$ ./chip-tool onoff

Example of output:

[1647417645.182824][404411:404411] CHIP:TOO: Missing command name
Usage:
  ./chip-tool onoff command_name [param1 param2 ...]

  +-------------------------------------------------------------------------------------+
  | Commands:                                                                           |
  +-------------------------------------------------------------------------------------+
  | * command-by-id                                                                     |
  | * off                                                                               |
  | * on                                                                                |
  | * toggle                                                                            |
  | * off-with-effect                                                                   |
  | * on-with-recall-global-scene                                                       |
  | * on-with-timed-off                                                                 |
  | * read-by-id                                                                        |
  | * read                                                                              |
  | * write-by-id                                                                       |
  | * write                                                                             |
  | * subscribe-by-id                                                                   |
  | * subscribe                                                                         |
  | * read-event-by-id                                                                  |
  | * subscribe-event-by-id                                                             |
  +-------------------------------------------------------------------------------------+
[1647417645.183836][404411:404411] CHIP:TOO: Run command failure: ../../examples/chip-tool/commands/common/Commands.cpp:84: Error 0x0000002F

Getting the list of attributes supported for a specific cluster

To get the list of attributes for a specific cluster, use the following command pattern:

$ ./chip-tool <cluster_name> read

In this command:

  • <cluster_name> is one of the available clusters (listed with chip-tool).

Example of command:

$ ./chip-tool onoff read

Example of output:

[1647417857.913942][404444:404444] CHIP:TOO: Missing attribute name
Usage:
  ./chip-tool onoff read attribute-name [param1 param2 ...]

  +-------------------------------------------------------------------------------------+
  | Attributes:                                                                         |
  +-------------------------------------------------------------------------------------+
  | * on-off                                                                            |
  | * global-scene-control                                                              |
  | * on-time                                                                           |
  | * off-wait-time                                                                     |
  | * start-up-on-off                                                                   |
  | * server-generated-command-list                                                     |
  | * client-generated-command-list                                                     |
  | * attribute-list                                                                    |
  | * feature-map                                                                       |
  | * cluster-revision                                                                  |
  +-------------------------------------------------------------------------------------+
[1647417857.914110][404444:404444] CHIP:TOO: Run command failure: ../../examples/chip-tool/commands/common/Commands.cpp:120: Error 0x0000002F

Getting the list of command options

To get the list of parameters for a specific command, use the following command pattern:

$ ./chip-tool <cluster_name> <target_command>

In this command:

  • <cluster_name> is one of the available clusters (listed with chip-tool).
  • <target_command> is one of the target command names.

Example of command:

$ ./chip-tool onoff on

Example of output:

[1647417976.556313][404456:404456] CHIP:TOO: InitArgs: Wrong arguments number: 0 instead of 2
Usage:
  ./chip-tool onoff on node-id/group-id endpoint-id-ignored-for-group-commands [--paa-trust-store-path] [--commissioner-name] [--trace_file] [--trace_log] [--ble-adapter] [--timedInteractionTimeoutMs] [--suppressResponse]
[1647417976.556362][404456:404456] CHIP:TOO: Run command failure: ../../examples/chip-tool/commands/common/Commands.cpp:135: Error 0x0000002F

Selected command options

This section lists selected options that can be used to configure the input command.

Choosing the Bluetooth adapter

To choose the Bluetooth adapter used by the CHIP Tool, use the following command pattern:

--ble-adapter <id>

In this command:

  • <id> is the ID of HCI device.

Example of usage:

$ ./chip-tool pairing ble-thread 1 hex:0e080000000000010000000300001335060004001fffe002084fe76e9a8b5edaf50708fde46f999f0698e20510d47f5027a414ffeebaefa92285cc84fa030f4f70656e5468726561642d653439630102e49c0410b92f8c7fbb4f9f3e08492ee3915fbd2f0c0402a0fff8 20202021 3840 --ble-adapter 0
Using message tracing

Message tracing allows to capture CHIP Tool secure messages that can be used for test automation.

The following flags that control where the traces should go are available:

  • Trace file flag:

    --trace_file <filename>

    Here, <filename> is the name of the file where the trace data is stored. It can be appended to a command in the following way:

    $ ./chip-tool pairing <pairing_options> --trace_file <filename>

  • Trace log flag:

    --trace_log <onoff>

    Here, <onoff> is a [0/1] flag, which when set to 1 prints the trace data with automation logs to the console.

Running a test suite against a paired peer device

The CHIP Tool allows to run a set of tests, already compiled in the tool, against a paired Matter device.

To get the list of available tests, run the following command:

$ ./chip-tool tests

To execute a particular test against the paired device, use the following command pattern:

$ ./chip-tool tests <test_name>

In this command:

  • <test_name> is the name of the particular test.

Example: running TestClusters test

As an example of running one test suite test:

# Clean initialization of state.
rm -fr /tmp/chip_*

# In a shell window, start the DUT device.
./out/debug/standalone/chip-all-clusters-app

# In a second shell window, pair the DUT with chip-tool.
./out/debug/standalone/chip-tool pairing onnetwork 333221 20202021

# Now run the test
./out/debug/standalone/chip-tool tests TestCluster --nodeId 333221

Developer details on how the test suite is structured can be found here.

Parsing the setup payload

The CHIP Tool offers a utility for parsing the Matter onboarding setup payload and printing it in a readable form. For example, the payload can be printed on the device console during boot.

To parse the setup code, use the payload command with the parse-setup-payload sub-command, as in the following command pattern:

$ ./chip-tool payload parse-setup-payload <payload>

Here, <payload> is the ID of the payload to be parsed.

Examples of commands:

  • Setup QR code payload:

    ```
$ ./chip-tool payload parse-setup-payload MT:6FCJ142C00KA0648G00
```

  • Manual pairing code:

    ```
$ ./chip-tool payload parse-setup-payload 34970112332
```

Parsing additional data payload

To parse additional data payload, use the following command pattern:

$ ./chip-tool parse-additional-data-payload <payload>

In this command:

  • <payload> is the ID of the payload with additional data to be parsed.

Discover actions

The discover command can be used to resolve node ID and discover available Matter devices.

Use the following command to print the available sub-commands of the discover command:

$ ./chip-tool discover

Resolving node name

To resolve the DNS-SD name corresponding with the given Node ID and update the address of the node in the device controller, use the following command pattern:

$ ./chip-tool discover resolve <node_id> <fabric_id>

In this command:

  • <node_id> is the ID of node to be resolved.
  • <fabric_id> is the ID of the Matter fabric to which the node belongs.

Discovering available Matter devices

To discover all Matter commissionables available in the operation area, run the following command:

$ ./chip-tool discover commissionables

Discovering available Matter commissioners

To discover all Matter commissioners available in the operation area, run the following command:

$ ./chip-tool discover commissioners

Pairing

The pairing command supports different means regarding Matter device commissioning procedure.

Thread and Wi-Fi commissioning use cases are described in the Using the CHIP Tool for Matter device testing section.

To list all pairing sub-commands, run the following command:

$ ./chip-tool pairing

Interacting with Data Model clusters

As mentioned in the Using the CHIP Tool for Matter device testing section, executing the chip-tool command with a particular cluster name lists all operations supported for this cluster, as in the following command pattern:

$ ./chip-tool <cluster_name>

Example of command:

$ ./chip-tool binding

Example of output:

[1647502596.396184][411686:411686] CHIP:TOO: Missing command name
Usage:
  ./chip-tool binding command_name [param1 param2 ...]

  +-------------------------------------------------------------------------------------+
  | Commands:                                                                           |
  +-------------------------------------------------------------------------------------+
  | * command-by-id                                                                     |
  | * read-by-id                                                                        |
  | * read                                                                              |
  | * write-by-id                                                                       |
  | * write                                                                             |
  | * subscribe-by-id                                                                   |
  | * subscribe                                                                         |
  | * read-event-by-id                                                                  |
  | * subscribe-event-by-id                                                             |
  +-------------------------------------------------------------------------------------+
[1647502596.396299][411686:411686] CHIP:TOO: Run command failure: ../../examples/chip-tool/commands/common/Commands.cpp:84: Error 0x0000002F

According to this list, the binding cluster supports operations such as read or write. Attributes from that cluster can also be subscribed by the controller, which means that the CHIP Tool will receive notifications, for instance when the attribute value is changed or a specific event happens.

Examples

This section lists examples of the CHIP Tool commands dedicated to specific use cases.

Writing ACL to the accesscontrol cluster

The Access Control List (ACL) concept allows to govern all Data Model interactions (such as read attribute, write attribute, invoke command). For more information about ACL, see Access Control Guide.

To write ACL to the accesscontrol cluster, use the following command pattern:

$ ./chip-tool accesscontrol write acl <acl_data> <node_id> <endpoint_id>

In this command:

  • <acl_data> is the ACL data formatted as a JSON array.
  • <node_id> is the ID of the node that is going to receive ACL.
  • <endpoint_id> is the ID of the endpoint on which the accesscontrol cluster is implemented.
Adding a binding table to the binding cluster

Binding describes a relationship between the device that contains the binding cluster and the end device. The proper ACL must be added to allow the end device to receive commands from the bonded device. After the binding process, the bonded device contains information about connected device, such as IPv6 address and the route to the endpoint in the Matter network.

To add a binding table to the binding cluster, use the following command pattern:

$ ./chip-tool binding write binding  <binding_data> <node_id> <endpoint_id>

In this command:

  • <binding_data> is the binding data formatted as a JSON array.
  • <node_id> is the ID of the node that is going to receive the binding.
  • <endpoint_id> is the ID of the endpoint on which the binding cluster is implemented.

Multi-admin scenario

Multi-admin feature allows you to join Matter device to several Matter fabrics and administer it by several different Matter administrators. First you need to commission the Matter device to first fabric following the Using CHIP Tool for Matter device testing section.

Before it is possible to commission a Matter device to a new fabric, the administrator from first fabric must open the commissioning window for a new administrator from another fabric.

To open the commissioning window on the paired Matter device, use the following command pattern:

$ ./chip-tool pairing open-commissioning-window <node_id> <option> <window_timeout> <iteration> <discriminator>

In this command:

  • <node_id> is the ID of the node that should open commissioning window
  • <option> is equal to 1 for Enhanced Commissioning Method and 0 for Basic Commissioning Method
  • <window_timeout> is time in seconds, before the commissioning window closes
  • <iteration> is number of PBKDF iterations to use to derive the PAKE verifier
  • <discriminator> is device specific discriminator determined during commissioning

Note: The <iteration> and <discriminator> values are ignored if the <option> is set to 0.

Example of command:

$ ./chip-tool pairing open-commissioning-window 1 1 300 1000 2365

Note manual pairing code or QR code payload printed in the command output, as it will be required by the second Matter admin to join Matter device to its fabric.

Example of output:

[1663675289.149337][56387:56392] CHIP:DMG: Received Command Response Status for Endpoint=0 Cluster=0x0000_003C Command=0x0000_0000 Status=0x0
[1663675289.149356][56387:56392] CHIP:CTL: Successfully opened pairing window on the device
[1663675289.149409][56387:56392] CHIP:CTL: Manual pairing code: [36281602573]
[1663675289.149445][56387:56392] CHIP:CTL: SetupQRCode: [MT:4CT91AFN00YHEE7E300]

To commission the Matter device to a new fabric, you need to run another instance of CHIP Tool, using the following command pattern:

$ ./chip-tool pairing code <payload> <node_id> --commissioner-name <commissioner_name>

In this command:

  • <payload> is the the QR code payload or a manual pairing code generated by the first commissioner instance when opened commissioning window
  • <node_id> is the user-defined ID of the node being commissioned. It doesn't need to be the same ID, as for the first fabric.
  • <commissioner_name> is the name of the second fabric. Valid values are "alpha", "beta", "gamma", and integers greater than or equal to 4. The default if not specified is "alpha".

Example of command:

$ ./chip-tool pairing code 36281602573 1 --commissioner-name beta

After completing the above steps, the Matter device should be able to receive and answer Matter commands sent in the second fabric. For example, you can use the following command pattern to toggle the OnOff attribute state on a device supporting OnOff cluster:

$ ./chip-tool onoff toggle <node_id> <endpoint_id> --commissioner-name <commissioner_name>

In this command:

  • <node_id> is the user-defined ID of the commissioned node.
  • <endpoint_id> is the ID of the endpoint with OnOff cluster implemented.
  • <commissioner_name> is the name of the second fabric. Valid values are "alpha", "beta", "gamma", and integers greater than or equal to 4. The default if not specified is "alpha".

Example of command:

$ ./chip-tool onoff toggle 1 1 --commissioner-name beta