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# 创建触发器

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### 描述

`object trigger.create(object/array triggers)`

此方法允许创建新的触发器.

::: noteclassic
此方法只适用于*Admin*和*Super admin*用户类型，调用该方法的权限可以在用户角色设置中被撤销. 前往 [用户角色](/manual/web_interface/frontend_sections/administration/user_roles) 以查看并了解更多信息.
:::

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### 参数

`(object/array)` 要创建的触发器.

除了 [标准触发器属性](object#trigger) 之外，该方法还接受以下参数.

| 参数         | [类型](/manual/api/reference_commentary#data_types) | 描述                                                         |
| ------------ | --------------------------------------------------- | ------------------------------------------------------------ |
| dependencies | array                                               | 目的触发器.<br><br>目的触发器必须存在且已定义`triggerid`属性. |
| tags         | array                                               | 触发器标签 [标签.](/manual/api/reference/trigger/object#trigger_tag) |

::: noteimportant
触发器表达式必须以扩展形式给出.
:::

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### 返回值

`(object)` 返回一个对象，该对象包含在 `triggerids` 属性下创建的触发器 ID，返回 的ID 顺序与传递的触发器的顺序相匹配.

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### 示例

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#### 创建触发器

创建具有单个触发依赖关系的触发器.

请求:

```json
{
    "jsonrpc": "2.0",
    "method": "trigger.create",
    "params": [
        {
            "description": "Processor load is too high on {HOST.NAME}",
            "expression": "last(/Linux server/system.cpu.load[percpu,avg1])>5",
            "dependencies": [
                {
                    "triggerid": "17367"
                }
            ]
        },
        {
            "description": "Service status",
            "expression": "length(last(/Linux server/log[/var/log/system,Service .* has stopped]))<>0",
            "dependencies": [
                {
                    "triggerid": "17368"
                }
            ],
            "tags": [
                {
                    "tag": "service",
                    "value": "{{ITEM.VALUE}.regsub(\"Service (.*) has stopped\", \"\\1\")}"
                },
                {
                    "tag": "error",
                    "value": ""
                }
            ]
        }
    ],
    "auth": "038e1d7b1735c6a5436ee9eae095879e",
    "id": 1
}
```

响应:

```json
{
    "jsonrpc": "2.0",
    "result": {
        "triggerids": [
            "17369",
            "17370"
        ]
    },
    "id": 1
}
```

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### 源码

CTrigger::create() in *ui/include/classes/api/services/CTrigger.php*.

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