trend.get

Description

integer/array trend.get(object parameters)

The method allows to retrieve trend data according to the given parameters.

This method is available to users of any type. Permissions to call the method can be revoked in user role settings. See User roles for more information.

Parameters

(object) Parameters defining the desired output.

The method supports the following parameters.

Parameter	Type	Description
itemids	ID/array	Return only trends with the given item IDs.
time_from	timestamp	Return only values that have been collected after or at the given time.
time_till	timestamp	Return only values that have been collected before or at the given time.
countOutput	boolean	Count the number of retrieved objects.
limit	integer	Limit the amount of retrieved objects.
output	query	Set Trend object properties to be returned.

Return values

(integer/array) Returns either:

an array of objects;
the count of retrieved objects, if the countOutput parameter has been used.

Examples

Retrieving item trend data

Request:

{
           "jsonrpc": "2.0",
           "method": "trend.get",
           "params": {
               "output": [
                   "itemid",
                   "clock",
                   "num",
                   "value_min",
                   "value_avg",
                   "value_max",
               ],
               "itemids": [
                   "23715"
               ],
               "limit": "1"
           },
           "id": 1
       }

Response:

{
           "jsonrpc": "2.0",
           "result": [
               {
                   "itemid": "23715",
                   "clock": "1446199200",
                   "num": "60",
                   "value_min": "0.165",
                   "value_avg": "0.2168",
                   "value_max": "0.35",
               }
           ],
           "id": 1
       }

Source

CTrend::get() in ui/include/classes/api/services/CTrend.php.

Documentation