# Collaboration events

You can use the following events to extend the [Collaborative editing feature](https://doc.ibexa.co/en/latest/content_management/collaborative_editing/collaborative_editing/index.md):

## Invitation events

| Event                                                                                                                                                                               | Dispatched by                                                                                                                                                                                       |
| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [BeforeCreateInvitationEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Invitation-Event-BeforeCreateInvitationEvent.html) | [InvitationService::createInvitation()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-InvitationServiceInterface.html#method_createInvitation) |
| [BeforeDeleteInvitationEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Invitation-Event-BeforeDeleteInvitationEvent.html) | [InvitationService::deleteInvitation()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-InvitationServiceInterface.html#method_deleteInvitation) |
| [BeforeUpdateInvitationEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Invitation-Event-BeforeUpdateInvitationEvent.html) | [InvitationService::updateInvitation()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-InvitationServiceInterface.html#method_updateInvitation) |
| [CreateInvitationEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Invitation-Event-CreateInvitationEvent.html)             | [InvitationService::createInvitation()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-InvitationServiceInterface.html#method_createInvitation) |
| [DeleteInvitationEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Invitation-Event-DeleteInvitationEvent.html)             | [InvitationService::deleteInvitation()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-InvitationServiceInterface.html#method_deleteInvitation) |
| [UpdateInvitationEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Invitation-Event-UpdateInvitationEvent.html)             | [InvitationService::updateInvitation()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-InvitationServiceInterface.html#method_updateInvitation) |

## Participant events

| Event                                                                                                                                                                                  | Dispatched by                                                                                                                                                                                   |
| -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [AddParticipantEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Participant-Event-AddParticipantEvent.html)                   | [SessionService::addParticipant()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-SessionServiceInterface.html#method_addParticipant)       |
| [BeforeAddParticipantEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Participant-Event-BeforeAddParticipantEvent.html)       | [SessionService::addParticipant()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-SessionServiceInterface.html#method_addParticipant)       |
| [BeforeRemoveParticipantEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Participant-Event-BeforeRemoveParticipantEvent.html) | [SessionService::removeParticipant()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-SessionServiceInterface.html#method_removeParticipant) |
| [BeforeUpdateParticipantEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Participant-Event-BeforeUpdateParticipantEvent.html) | [SessionService::updateParticipant()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-SessionServiceInterface.html#method_updateParticipant) |
| [RemoveParticipantEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Participant-Event-RemoveParticipantEvent.html)             | [SessionService::removeParticipant()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-SessionServiceInterface.html#method_removeParticipant) |
| [UpdateParticipantEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Participant-Event-UpdateParticipantEvent.html)             | [SessionService::updateParticipant()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-SessionServiceInterface.html#method_updateParticipant) |

## Session events

| Event                                                                                                                                                                        | Dispatched by                                                                                                                                                                           |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [BeforeCreateSessionEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Session-Event-BeforeCreateSessionEvent.html)   | [SessionService::createSession()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-SessionServiceInterface.html#method_createSession) |
| [BeforeDeleteSessionEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Session-Event-BeforeDeleteSessionEvent.html)   | [SessionService::deleteSession()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-SessionServiceInterface.html#method_deleteSession) |
| [BeforeUpdateSessionEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Session-Event-BeforeUpdateSessionEvent.html)   | [SessionService::updateSession()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-SessionServiceInterface.html#method_updateSession) |
| [CreateSessionEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Session-Event-CreateSessionEvent.html)               | [SessionService::createSession()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-SessionServiceInterface.html#method_createSession) |
| [DeleteSessionEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Session-Event-DeleteSessionEvent.html)               | [SessionService::deleteSession()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-SessionServiceInterface.html#method_deleteSession) |
| [JoinSessionEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Session-Event-JoinSessionEvent.html)                   | `SessionJoinController::joinAction()`                                                                                                                                                   |
| [LeaveSessionEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Session-Event-LeaveSessionEvent.html)                 | `SessionLeaveController::leaveAction()`                                                                                                                                                 |
| [UpdateSessionEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Session-Event-UpdateSessionEvent.html)               | [SessionService::updateSession()](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-SessionServiceInterface.html#method_updateSession) |
| [SessionPublicPreviewEvent](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Collaboration-Session-Event-SessionPublicPreviewEvent.html) | `SessionPublicPreviewController::previewAction()`                                                                                                                                       |

## User filtering events

| Event                                                                                                                                                                            | Dispatched by                                                    | Description                                                                  |
| -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------- | ---------------------------------------------------------------------------- |
| [`UsersWithPermissionInfoMappedEvent`](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Share-Event-UsersWithPermissionInfoMappedEvent.html) | `Ibexa\Share\Permission\Mapper\` `UsersWithPermissionInfoMapper` | Allows further filtering of users with permissions for Collaborative editing |