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Event collection to MID Server via web service API

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Event collection to MID Server via web service API

Configure the MID WebService Event Collector to provide a URL method to push event messages to the MID Server.

The MID WebService Event Collector, by default, enables you to connect to an event generator and send event messages through the MID Server, using a URL in the format: http://{MID_Server_IP}:{MID_Web_Server_Port}/api/mid/em/jsonv2

The JSON v2 format is the same as the format that clients use to send event messages to the instance. This URL provides good performance.

For more information, see Configure the MID WebService Event Collector Context.
Note: Event Management accepts events in the timezone of the MID Server through which the listener has sent the event message. If you require a different timezone, you can configure the script as required, see Configure listener transform scripts.

URL to push custom payloads

The MID Server can also receive a custom payload in JSON, XML, or plain text format. In this case, the MID Server transforms the event messages using the script include that you provide, and then sends the events to the instance. The URL in this case is:

http://{MID_Server_IP}:{MID_Web_Server_Port}/api/mid/em/inbound_event?Transform={Transform_script_name} For an example of a script include, see the default TransformEvents_xmlSample script include.

For an example of how the MID WebService Event Collector transforms JSON formatted event messages, see Event collection from BMC TrueSight.

To send events in generic JSON format, you can use the URL in this format:


In this case, the TransformEvents_MidJsonGeneric MID script include that is provided in the base instance transforms the event messages into the event fields. All fields are added as Additional Information fields into the ServiceNow event that is generated.

Note: The URL in the format http://{MID_Server_IP}:{MID_Web_Server_Port}/api/mid/em/{transform_script_name}is also supported.

Script include to transform collected events

Use the required MID Server script include to transform (parse) collected event messages and populate them into the mapped event field. The MID Server script include name is composed of a prefix and suffix. The prefix is the mandatory text TransformEvents_ and the suffix is the transform name on the URL, for example, http://{MID_Server_IP}:{MID_Web_Server_Port}/api/mid/em/xmlSample . The composed script name is therefore TransformEvents_xmlSample.

You must supply a script include that receives the event messages in a text variable. The script must have a transform() function that performs the transformation and prepares the return array of Event objects. When the Event Management plugin is activated, you are provided with the TransformEvents_xmlSample sample include script that transforms events from XML format.

Note: Event fields that are not identical to fields in the event table are saved in the Additional information field.

Event message headers

Specify the relevant request header value for the Content-Type field according to the format of the event message.

Table 1. Request header values for the Content-Type
Message format Content-Type value
JSON application/json
XML application/xml
text text/plain

Authentication and data security options

Options for authentication and data security:
  • Authentication type, which can be set to either Basic or the more advanced Keybased option.
  • Secure Connection, which lets you choose whether incoming and outgoing data is secured when transmitted. If you choose the advanced secured option, it requires that you obtain a certificate from a well-known certificate authority, and then provide the Keystore Certificate Alias and the Keystore Password.
  • Users must supply a script that receives the JSON, XML, or text formatted event messages in a text variable. The script must have a transform() function that performs the transformation and prepares the return array of event objects. The TransformEvents_xmlSample include script that transforms events from XML format is provided as an example when the Event Management plugin is activated.
For more information about authentication and data security, see Configure the MID Web Server extension.