Required. The name of the device. For example,
projects/p0/locations/us-central1/registries/registry0/devices/device0 or
projects/p0/locations/us-central1/registries/registry0/devices/{num_id}.
Required. The name of the device. For example,
projects/p0/locations/us-central1/registries/registry0/devices/device0 or
projects/p0/locations/us-central1/registries/registry0/devices/{num_id}.
Optional subfolder for the command. If empty, the command will be delivered
to the /devices/{device-id}/commands topic, otherwise it will be delivered
to the /devices/{device-id}/commands/{subfolder} topic. Multi-level
subfolders are allowed. This field must not have more than 256 characters,
and must not contain any MQTT wildcards ("+" or "#") or null characters.
Optional subfolder for the command. If empty, the command will be delivered
to the /devices/{device-id}/commands topic, otherwise it will be delivered
to the /devices/{device-id}/commands/{subfolder} topic. Multi-level
subfolders are allowed. This field must not have more than 256 characters,
and must not contain any MQTT wildcards ("+" or "#") or null characters.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["# Interface SendCommandToDeviceRequestOrBuilder (2.72.0)\n\nVersion latestkeyboard_arrow_down\n\n- [2.72.0 (latest)](/java/docs/reference/google-cloud-iot/latest/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.70.0](/java/docs/reference/google-cloud-iot/2.70.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.68.0](/java/docs/reference/google-cloud-iot/2.68.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.67.0](/java/docs/reference/google-cloud-iot/2.67.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.64.0](/java/docs/reference/google-cloud-iot/2.64.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.63.0](/java/docs/reference/google-cloud-iot/2.63.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.62.0](/java/docs/reference/google-cloud-iot/2.62.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.60.0](/java/docs/reference/google-cloud-iot/2.60.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.59.0](/java/docs/reference/google-cloud-iot/2.59.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.58.0](/java/docs/reference/google-cloud-iot/2.58.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.57.0](/java/docs/reference/google-cloud-iot/2.57.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.56.0](/java/docs/reference/google-cloud-iot/2.56.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.55.0](/java/docs/reference/google-cloud-iot/2.55.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.54.0](/java/docs/reference/google-cloud-iot/2.54.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.53.0](/java/docs/reference/google-cloud-iot/2.53.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.52.0](/java/docs/reference/google-cloud-iot/2.52.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.51.0](/java/docs/reference/google-cloud-iot/2.51.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.49.0](/java/docs/reference/google-cloud-iot/2.49.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.48.0](/java/docs/reference/google-cloud-iot/2.48.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.47.0](/java/docs/reference/google-cloud-iot/2.47.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.46.0](/java/docs/reference/google-cloud-iot/2.46.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.45.0](/java/docs/reference/google-cloud-iot/2.45.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.44.0](/java/docs/reference/google-cloud-iot/2.44.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.43.0](/java/docs/reference/google-cloud-iot/2.43.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.42.0](/java/docs/reference/google-cloud-iot/2.42.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.41.0](/java/docs/reference/google-cloud-iot/2.41.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.40.0](/java/docs/reference/google-cloud-iot/2.40.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.39.0](/java/docs/reference/google-cloud-iot/2.39.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.37.0](/java/docs/reference/google-cloud-iot/2.37.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.36.0](/java/docs/reference/google-cloud-iot/2.36.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.35.0](/java/docs/reference/google-cloud-iot/2.35.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.34.0](/java/docs/reference/google-cloud-iot/2.34.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.33.0](/java/docs/reference/google-cloud-iot/2.33.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.32.0](/java/docs/reference/google-cloud-iot/2.32.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.31.0](/java/docs/reference/google-cloud-iot/2.31.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.30.0](/java/docs/reference/google-cloud-iot/2.30.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.29.0](/java/docs/reference/google-cloud-iot/2.29.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.28.0](/java/docs/reference/google-cloud-iot/2.28.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.27.0](/java/docs/reference/google-cloud-iot/2.27.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.24.0](/java/docs/reference/google-cloud-iot/2.24.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.23.0](/java/docs/reference/google-cloud-iot/2.23.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.22.0](/java/docs/reference/google-cloud-iot/2.22.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.21.0](/java/docs/reference/google-cloud-iot/2.21.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.20.0](/java/docs/reference/google-cloud-iot/2.20.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.19.0](/java/docs/reference/google-cloud-iot/2.19.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.18.0](/java/docs/reference/google-cloud-iot/2.18.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.17.0](/java/docs/reference/google-cloud-iot/2.17.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.16.0](/java/docs/reference/google-cloud-iot/2.16.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.15.0](/java/docs/reference/google-cloud-iot/2.15.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.14.0](/java/docs/reference/google-cloud-iot/2.14.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.13.0](/java/docs/reference/google-cloud-iot/2.13.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.12.0](/java/docs/reference/google-cloud-iot/2.12.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.11.0](/java/docs/reference/google-cloud-iot/2.11.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.9.0](/java/docs/reference/google-cloud-iot/2.9.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.8.0](/java/docs/reference/google-cloud-iot/2.8.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.7.0](/java/docs/reference/google-cloud-iot/2.7.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.6.0](/java/docs/reference/google-cloud-iot/2.6.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.5.0](/java/docs/reference/google-cloud-iot/2.5.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.4.0](/java/docs/reference/google-cloud-iot/2.4.0/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.3.6](/java/docs/reference/google-cloud-iot/2.3.6/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.2.1](/java/docs/reference/google-cloud-iot/2.2.1/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder)\n- [2.1.7](/java/docs/reference/google-cloud-iot/2.1.7/com.google.cloud.iot.v1.SendCommandToDeviceRequestOrBuilder) \n\n public interface SendCommandToDeviceRequestOrBuilder extends MessageOrBuilder\n\nImplements\n----------\n\n[MessageOrBuilder](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.MessageOrBuilder.html)\n\nMethods\n-------\n\n### getBinaryData()\n\n public abstract ByteString getBinaryData()\n\nRequired. The command data to send to the device.\n\n`bytes binary_data = 2 [(.google.api.field_behavior) = REQUIRED];`\n\n### getName()\n\n public abstract String getName()\n\nRequired. The name of the device. For example,\n`projects/p0/locations/us-central1/registries/registry0/devices/device0` or\n`projects/p0/locations/us-central1/registries/registry0/devices/{num_id}`.\n\n`\nstring name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }\n`\n\n### getNameBytes()\n\n public abstract ByteString getNameBytes()\n\nRequired. The name of the device. For example,\n`projects/p0/locations/us-central1/registries/registry0/devices/device0` or\n`projects/p0/locations/us-central1/registries/registry0/devices/{num_id}`.\n\n`\nstring name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }\n`\n\n### getSubfolder()\n\n public abstract String getSubfolder()\n\nOptional subfolder for the command. If empty, the command will be delivered\nto the /devices/{device-id}/commands topic, otherwise it will be delivered\nto the /devices/{device-id}/commands/{subfolder} topic. Multi-level\nsubfolders are allowed. This field must not have more than 256 characters,\nand must not contain any MQTT wildcards (\"+\" or \"#\") or null characters.\n\n`string subfolder = 3;`\n\n### getSubfolderBytes()\n\n public abstract ByteString getSubfolderBytes()\n\nOptional subfolder for the command. If empty, the command will be delivered\nto the /devices/{device-id}/commands topic, otherwise it will be delivered\nto the /devices/{device-id}/commands/{subfolder} topic. Multi-level\nsubfolders are allowed. This field must not have more than 256 characters,\nand must not contain any MQTT wildcards (\"+\" or \"#\") or null characters.\n\n`string subfolder = 3;`"]]