# > Problem object

::: noteclassic
problems are created by the Zabbix server and cannot be
modified via the API.
:::

The problem object has the following properties.

|Property|Type|Description|
|--------|----|-----------|
|eventid|string|ID of the problem event.|
|source|integer|Type of the problem event.<br><br>Possible values:<br>0 - event created by a trigger;<br>3 - internal event.|
|object|integer|Type of object that is related to the problem event.<br><br>Possible values for trigger events:<br>0 - trigger.<br><br>Possible values for internal events:<br>0 - trigger;<br>4 - item;<br>5 - LLD rule.|
|objectid|string|ID of the related object.|
|clock|timestamp|Time when the problem event was created.|
|ns|integer|Nanoseconds when the problem event was created.|
|r\_eventid|string|Recovery event ID.|
|r\_clock|timestamp|Time when the recovery event was created.|
|r\_ns|integer|Nanoseconds when the recovery event was created.|
|correlationid|string|Correlation rule ID if this event was recovered by global correlation rule.|
|userid|string|User ID if the problem was manually closed.|