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manual:api:reference:trend:get
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trend.get
Description
integer/array trend.get(object parameters)
The method allows to retrieve trend data according to the given parameters.
Parameters
(object) Parameters defining the desired output.
The method supports the following parameters.
| Parameter | Type | Description |
|---|---|---|
| itemids | string/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 | flag | Count the number of retrieved objects. |
| limit | integer | Limit the amount of retrieved objects. |
| output | query | Set fields to output. |
Return values
(integer/array) Returns either:
- an array of objects;
- the count of retrieved objects, if the
countOutputparameter 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" }, "auth": "038e1d7b1735c6a5436ee9eae095879e", "id": 1 }
Response:
{ "jsonrpc": "2.0", "result": [ { "itemid": "23715", "clock": "1446199200", "num": "60", "value_min": "0.1650", "value_avg": "0.2168", "value_max": "0.3500", } ], "id": 1 }
Source
CTrend::get() in frontends/php/include/classes/api/services/CTrend.php.