# vehicle_command_ack (UORB message)

Vehicle Command Ackonwledgement uORB message. Used for acknowledging the vehicle command being received. Follows the MAVLink COMMAND_ACK message definition

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# Vehicle Command Ackonwledgement uORB message.
# Used for acknowledging the vehicle command being received.
# Follows the MAVLink COMMAND_ACK message definition

uint64 timestamp		# time since system start (microseconds)

# Result cases. This follows the MAVLink MAV_RESULT enum definition
uint8 VEHICLE_CMD_RESULT_ACCEPTED = 0			# Command ACCEPTED and EXECUTED |
uint8 VEHICLE_CMD_RESULT_TEMPORARILY_REJECTED = 1	# Command TEMPORARY REJECTED/DENIED |
uint8 VEHICLE_CMD_RESULT_DENIED = 2			# Command PERMANENTLY DENIED |
uint8 VEHICLE_CMD_RESULT_UNSUPPORTED = 3		# Command UNKNOWN/UNSUPPORTED |
uint8 VEHICLE_CMD_RESULT_FAILED = 4			# Command executed, but failed |
uint8 VEHICLE_CMD_RESULT_IN_PROGRESS = 5		# Command being executed |
uint8 VEHICLE_CMD_RESULT_CANCELLED = 6			# Command Canceled

# Arming denied specific cases
uint16 ARM_AUTH_DENIED_REASON_GENERIC = 0
uint16 ARM_AUTH_DENIED_REASON_NONE = 1
uint16 ARM_AUTH_DENIED_REASON_INVALID_WAYPOINT = 2
uint16 ARM_AUTH_DENIED_REASON_TIMEOUT = 3
uint16 ARM_AUTH_DENIED_REASON_AIRSPACE_IN_USE = 4
uint16 ARM_AUTH_DENIED_REASON_BAD_WEATHER = 5

uint8 ORB_QUEUE_LENGTH = 4

uint32 command						# Command that is being acknowledged
uint8 result						# Command result
uint8 result_param1					# Also used as progress[%], it can be set with the reason why the command was denied, or the progress percentage when result is MAV_RESULT_IN_PROGRESS
int32 result_param2					# Additional parameter of the result, example: which parameter of MAV_CMD_NAV_WAYPOINT caused it to be denied.
uint8 target_system
uint8 target_component

bool from_external					# Indicates if the command came from an external source