Field	Type	Required	Description
enabled	boolean	+	enable or disable scene
_id	string	+	global scene ID is given by cloud
tag	string	–	tag for debugging
name	string	–	scene name. Maximum name length is 25 characters.
then	JsonArray	+	Array of the actions blocks
when	JsonArray	+	Array of the conditions blocks
exec_policy	string	–	It is execution policy of scene. There is policy of block ( see description of action blocks ). The block policy can have next states: check_result – result of execution each block should checked and scene should be failed in case if block is failed; ignore_result – result of execution each block should be ignored and checked only in the end of scene execution. If any action was failed than partially_finished status. If all blocks have this status and all of them are failed than failed status.