DataDog Servicenow incident integration webhook - add customization for Re-Trigger message

What

Add possibility to send custom message via webhook payload that that will update the SNow incident. Currently if metric is retriggered, incident in SNow is updated with predefined comment.

Example webbook payload.

event_update_msg - parameter to pass the custom message

{

"last_updated": "$LAST_UPDATED",

"event_type": "$EVENT_TYPE",

"title": "$EVENT_TITLE",

"date": "$DATE",

"org": {

"id": "$ORG_ID",

"name": "$ORG_NAME"

},

"id": "$AGGREG_KEY$ALERT_CYCLE_KEY",

"alert_id": "$ALERT_ID",

"agg_key": "$AGGREG_KEY",

"cycle_key": "$ALERT_CYCLE_KEY",

"snapshot": "$SNAPSHOT",

"event_msg": '""$EVENT_MSG""',

"event_msg_custom": '""$EVENT_MSG_Custom""',

"priority": "$ALERT_PRIORITY",

"instance": "prod",

"transition_type": "$ALERT_TRANSITION"

}

Why

Visibility for updates message in SNOW incident