> Task object

The task object has the following properties:

The ‘Execute now’ task request object has the following properties.

Property		Description
itemid	string	ID of item and low-level discovery rules.

The diagnostic information task request object has the following properties. Statistic request object for all types of properties is described in detail below.

Property		Description
historycache	object	History cache statistic request. Available on server and proxy.
valuecache	object	Items cache statistic request. Available on server.
preprocessing	object	Preprocessing manager statistic request. Available on server and proxy.
alerting	object	Alert manager statistic request. Available on server.
lld	object	LLD manager statistic request. Available on server.

Statistic request object

Statistic request object is used to define what type of information should be collected about server/proxy internal processes. It has the following properties.

List of statistic fields available for each type of diagnostic information request

Diagnostic type	Available fields	Description
historycache	items	Number of cached items.
	values	Number of cached values.
	memory	Shared memory statistics (free space, number of used chunks, number of free chunks, max size of free chunk).
	memory.data	History data cache shared memory statistics.
	memory.index	History index cache shared memory statistics.
valuecache	items	Number of cached items.
	values	Number of cached values.
	memory	Shared memory statistics (free space, number of used chunks, number of free chunks, max size of free chunk).
	mode	Value cache mode.
preprocessing	values	Number of queued values.
preprocessing	preproc.values	Number of queued values with preprocessing steps.
alerting	alerts	Number of queued alerts.
lld	rules	Number of queued rules.
lld	values	Number of queued values.

List of sorting fields available for each type of diagnostic information request

Following statistic fields can be used to sort and limit requested information.

Statistic result object

Statistic result object is retrieved in field of task object.

Property	Type	Description
status	integer	Status of the task result. Possible values: -1 - error occurred during performing task; 0 - task result is created. : - read-only
data	string/object	Results according the statistic request object of particular diagnostic information task. Contains error message string if error occurred during performing task.