str
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}.
binary_data
bytes
Required. The command data to send to the
device.
subfolder
str
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.