# exists()

Available since version: **1.8.3**\
This function allows you to check whether item with given item data
exists.

### Parameters

|Parameter|Type|Optional|Description|Details|
|---------|----|--------|-----------|-------|
|**nodeids**|*array*|yes|List of node IDs where to search for given item|<|
|**key\_**|*string*|No|Item key|<|
|**hostid**|*string*|yes|Host ID|<|
|**host**|*string*|yes|Host name|<|

### Returns

|Parameter|Description|
|---------|-----------|
|**result**|Operation successful. Result will contain boolean variable.|
|**error**|In case of any errors|

### Example

Check if item with key "vfs.file.cksum\[c:\\config.sys\]" exists for
host "Windows-Server"

``` {.java}
{
"jsonrpc":"2.0",
"method":"item.exists",
"params":{
    "host": "Windows-Server",
    "key_": "vfs.file.cksum[c:\config.sys]"
},
"auth":"3a57200802b24cda67c4e4010b50c065",
"id":2
}
```

Item exists:

``` {.java}
{
"jsonrpc":"2.0",
"result": true,
"id":2
}
```