This is where custom actions are added (in child classes) to run when an invitation or request is accepted.

Mark invitation as accepted by invitation ID.

Mark invitations as sent that are found by user_id, inviter_id, invitee_email, class name, item id, and optional secondary item id.

Delete an invitation or invitations by query data.

Delete a request or requests by query data.

Delete all invitations by class.

This is where custom actions are added (in child classes) to determine whether an invitation should be allowed.

BP Invitations class.

Construct parameters.

Get the invitations table name.