abstract fun loadWithLastValidDialog(namespace: String, userId: PlayerId, priorUserId: PlayerId? = null, groupId: String? = null, storyDefinitionProvider: (String) -> StoryDefinition): UserTimeline (source)
Loads with last dialog. If no timeline exists, creates a new one.
namespace - the namespace of the bot
userId - the user id of the last message
priorUserId - not null if this user has an other id before
groupId - not null if this is a conversation group
storyDefinitionProvider - provides StoryDefinition from story ids.