# Description of objects and parameters for triggers
In Swarmica, the following events are used as triggers:

[**ArticleEvent**](https://support.swarmica.com/article/ru/1605-opisanie-obuektov-i-parametrov-dlya-triggerov.html#articleevent) - Article Events
[**CustomFieldEvent**](https://support.swarmica.com/articles/1605/view#customfieldevent) - Custom Field Events
[**KCSEvent**](https://support.swarmica.com/article/ru/1605-opisanie-obuektov-i-parametrov-dlya-triggerov.html#kcsevent) - KCS Events
[**TicketEvent**](https://support.swarmica.com/article/ru/1605-opisanie-obuektov-i-parametrov-dlya-triggerov.html#ticketevent) - Ticket Events
[**UserEvent**](https://support.swarmica.com/article/ru/1605-opisanie-obuektov-i-parametrov-dlya-triggerov.html#userevent) - User Events

Each event passes certain parameters that can be used in scripts. These parameters are described below:

### ArticleEvent

| Parameter | What it does | Values |
| :---------- | -------------------------------------------- | :----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| event | passes what Event occurred with the Article | "0" - "Unknown"
"1" - "Article created"
"2" - "Article user segment added"
"3" - "Article published"
"4" - "Article unpublished"
"5" - "Article deleted"
"6" - "Article undeleted"
"7" - "Article author changed"
"8" - "Article flagged"
"9" - "Article unflagged"
"10" - "Agent commented on article"
"11" - "Customer commented on article"
"12" - "Agent comment changed"
"13" - "Agent comment deleted"
"14" - "Customer comment deleted"
"15" - "Article revision added"
"16" - "Article status changed"
"17" - "Article user segment deleted" |
| responsible | passes the Executor of the Event | Object [user](https://support.swarmica.com/articles/1605/view#user) |
| date | passes the date of the Event | |
| old_value | passes the old values of the Event parameters | |
| new_value | passes the new values of the Event parameters | |
| article | passes the Article with which the Event occurred | Object [article](https://support.swarmica.com/articles/1605/view#article) |