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# > 对象
The following objects are directly related to the `mediatype` API.
以下对象是直接关联到`mediatype`接口
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### Media type 媒介类型
The media type object has the following properties.
媒介类型参数拥有以下参数
|Property|Type|Description|
|--------|----|-----------|
|mediatypeid|string|*(readonly)* ID of the media type. 媒介类型ID|
|**description**
(required)|string|Name of the media type. 媒介类型名称|
|**type**
(required)|integer|Transport used by the media type.
Possible values:
0 - e-mail;
1 - script;
2 - SMS;
3 - Jabber;
100 - Ez Texting. 媒介类型的传输方式
可能的值：
0-电子邮件 1-脚本 2-SMS 3-Jabber 100-Ez Texting。|
|exec\_path|string|For script media types `exec_path` contains the name of the executed script.
For Ez Texting `exec_path` contains the message text limit.
Possible text limit values:
0 - USA (160 characters);
1 - Canada (136 characters).
Required for script and Ez Texting media types. 对于脚本媒体类型，“exec\_path”包含已执行脚本的名称。
对于z Texting `exec_path`包含了消息文本的限制
可能的文本限定值 ：0- USA (160 characters) 1 - Canada (136 characters).
用于脚本和Ez短信媒体类型。|
|gsm\_modem|string|Serial device name of the GSM modem.
Required for SMS media types. GSM调制解调器的串行设备名称。
用于SMS媒介类型|
|passwd|string|Authentication password.
Required for Jabber and Ez Texting media types. 认证的密码
\\\\用于Jabber和Ez Texting媒介类型|
|smtp\_email|string|Email address from which notifications will be sent.
Required for email media types. 发送通知的电子邮件地址。
用于电子邮件媒介类型|
|smtp\_helo|string|SMTP HELO.
Required for email media types. SMTP HELO
用于电子邮件媒介类型|
|smtp\_server|string|SMTP server.
Required for email media types. SMTP server.
\\\\用于电子邮件媒介类型|
|status|integer|Whether the media type is enabled.
Possible values:
0 - *(default)* enabled;
1 - disabled. 媒介类型是否是启用的
\\\\可能的值：
0-启用（默认） 1-禁用|
|username|string|Username or Jabber identifier.
Required for Jabber and Ez Texting media types. 用户名或Jabber标识符
用于Jabber and Ez Texting媒介类型|
|exec\_params|string|Script parameters.
Each parameter ends with a new line feed. 脚本参数。
每个参数以新的行提要结束|
|maxsessions|integer|The maximum number of alerts that can be processed in parallel.
Possible values for SMS:
1 - *(default)*
Possible values for other media types:
0-100 可以并行处理的警报的最大数量。
SMS可能的值：1（默认的）\\\\其他媒介类型可能的值：0-100|
|maxattempts|integer|The maximum number of attempts to send an alert.
Possible values:
1-10
Default value:
3 发送警报的最大尝试次数。
\\\\可能的值：
1-10，默认是3|
|attempt\_interval|string|The interval between retry attempts. Accepts seconds and time unit with suffix.
Possible values:
0-60s
Default value:
10s 重试尝试之间的间隔。接收带后缀的秒和时间单位。
可能的值：0\~60s 默认是：10s|
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### Webhook parameters
Parameters passed to webhook script when it is called, have the
following properties.
|Property|[Type](/manual/api/reference_commentary#data_types)|Description|
|--------|---------------------------------------------------|-----------|
|**name**
(required)|string|Parameter name.|
|value|string|Parameter value, support macros. Supported macros described on [page](/manual/appendix/macros/supported_by_location).|
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### Message template
The message template object defines a template that will be used as a
default message for action operations to send a notification. It has the
following properties.
|Property|[Type](/manual/api/reference_commentary#data_types)|Description|
|--------|---------------------------------------------------|-----------|
|**eventsource**
(required)|integer|Event source.
Possible values:
0 - triggers;
1 - discovery;
2 - autoregistration;
3 - internal.|
|**recovery**
(required)|integer|Operation mode.
Possible values:
0 - operations;
1 - recovery operations;
2 - update operations.|
|subject|string|Message subject.|
|message|string|Message text.|
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