These docs are for version 1.x of Rasa Open Source.

# User Guide

- [Installation](https://legacy-docs-v1.rasa.com/1.9.4/user-guide/installation/)
- [Tutorial: Rasa Basics](https://legacy-docs-v1.rasa.com/1.9.4/user-guide/rasa-tutorial/)
- [Tutorial: Building Assistants](https://legacy-docs-v1.rasa.com/1.9.4/user-guide/building-assistants/)
- [Command Line Interface](https://legacy-docs-v1.rasa.com/1.9.4/user-guide/command-line-interface/)
- [Architecture](https://legacy-docs-v1.rasa.com/1.9.4/user-guide/architecture/)
- [Messaging and Voice Channels](https://legacy-docs-v1.rasa.com/1.9.4/user-guide/messaging-and-voice-channels/)
- [Testing Your Assistant](https://legacy-docs-v1.rasa.com/1.9.4/user-guide/testing-your-assistant/)
- [Validate Data](https://legacy-docs-v1.rasa.com/1.9.4/user-guide/validate-files/)
- [Configuring the HTTP API](https://legacy-docs-v1.rasa.com/1.9.4/user-guide/configuring-http-api/)
- [Deploying Your Rasa Assistant](https://legacy-docs-v1.rasa.com/1.9.4/user-guide/how-to-deploy/)
- [Cloud Storage](https://legacy-docs-v1.rasa.com/1.9.4/user-guide/cloud-storage/)

# NLU

- [About](https://legacy-docs-v1.rasa.com/1.9.4/nlu/about/)
- [Using NLU Only](https://legacy-docs-v1.rasa.com/1.9.4/nlu/using-nlu-only/)
- [Training Data Format](https://legacy-docs-v1.rasa.com/1.9.4/nlu/training-data-format/)
- [Language Support](https://legacy-docs-v1.rasa.com/1.9.4/nlu/language-support/)
- [Choosing a Pipeline](https://legacy-docs-v1.rasa.com/1.9.4/nlu/choosing-a-pipeline/)
- [Components](https://legacy-docs-v1.rasa.com/1.9.4/nlu/components/)
- [Entity Extraction](https://legacy-docs-v1.rasa.com/1.9.4/nlu/entity-extraction/)

# Core

- [About](https://legacy-docs-v1.rasa.com/1.9.4/core/about/)
- [Stories](https://legacy-docs-v1.rasa.com/1.9.4/core/stories/)
- [Domains](https://legacy-docs-v1.rasa.com/1.9.4/core/domains/)
- [Responses](https://legacy-docs-v1.rasa.com/1.9.4/core/responses/)
- [Actions](https://legacy-docs-v1.rasa.com/1.9.4/core/actions/)
- [Reminders and External Events](https://legacy-docs-v1.rasa.com/1.9.4/core/reminders-and-external-events/)
- [Policies](https://legacy-docs-v1.rasa.com/1.9.4/core/policies/)
- [Slots](https://legacy-docs-v1.rasa.com/1.9.4/core/slots/)
- [Forms](https://legacy-docs-v1.rasa.com/1.9.4/core/forms/)
- [Retrieval Actions](https://legacy-docs-v1.rasa.com/1.9.4/core/retrieval-actions/)
- [Interactive Learning](https://legacy-docs-v1.rasa.com/1.9.4/core/interactive-learning/)
- [Fallback Actions](https://legacy-docs-v1.rasa.com/1.9.4/core/fallback-actions/)
- [Knowledge Base Actions](https://legacy-docs-v1.rasa.com/1.9.4/core/knowledge-bases/)

# Conversation Design

- [Dialogue Elements](https://legacy-docs-v1.rasa.com/1.9.4/dialogue-elements/dialogue-elements/)
- [Small Talk](https://legacy-docs-v1.rasa.com/1.9.4/dialogue-elements/small-talk/)
- [Completing Tasks](https://legacy-docs-v1.rasa.com/1.9.4/dialogue-elements/completing-tasks/)
- [Guiding Users](https://legacy-docs-v1.rasa.com/1.9.4/dialogue-elements/guiding-users/)

# API Reference

- [Action Server](https://legacy-docs-v1.rasa.com/1.9.4/api/action-server/)
- [HTTP API](https://legacy-docs-v1.rasa.com/1.9.4/api/http-api/)
- [Jupyter Notebooks](https://legacy-docs-v1.rasa.com/1.9.4/api/jupyter-notebooks/)
- [Agent](https://legacy-docs-v1.rasa.com/1.9.4/api/agent/)
- [Custom NLU Components](https://legacy-docs-v1.rasa.com/1.9.4/api/custom-nlu-components/)
- [Rasa SDK](https://legacy-docs-v1.rasa.com/1.9.4/api/rasa-sdk/)
- [Events](https://legacy-docs-v1.rasa.com/1.9.4/api/events/#)
- [Tracker](https://legacy-docs-v1.rasa.com/1.9.4/api/tracker/)
- [Tracker Stores](https://legacy-docs-v1.rasa.com/1.9.4/api/tracker-stores/)
- [Event Brokers](https://legacy-docs-v1.rasa.com/1.9.4/api/event-brokers/)
- [Lock Stores](https://legacy-docs-v1.rasa.com/1.9.4/api/lock-stores/)
- [Training Data Importers](https://legacy-docs-v1.rasa.com/1.9.4/api/training-data-importers/)
- [Featurization of Conversations](https://legacy-docs-v1.rasa.com/1.9.4/api/core-featurization/)
- [TensorFlow Configuration](https://legacy-docs-v1.rasa.com/1.9.4/api/tensorflow_usage/)
- [Migration Guide](https://legacy-docs-v1.rasa.com/1.9.4/migration-guide/)
- [Rasa Open Source Change Log](https://legacy-docs-v1.rasa.com/1.9.4/changelog/)

# Migrate from (beta)

- [Dialogflow](https://legacy-docs-v1.rasa.com/1.9.4/migrate-from/google-dialogflow-to-rasa/)
- [Wit.ai](https://legacy-docs-v1.rasa.com/1.9.4/migrate-from/facebook-wit-ai-to-rasa/)
- [LUIS](https://legacy-docs-v1.rasa.com/1.9.4/migrate-from/microsoft-luis-to-rasa/)
- [IBM Watson](https://legacy-docs-v1.rasa.com/1.9.4/migrate-from/ibm-watson-to-rasa/)

# Reference

- [Glossary](https://legacy-docs-v1.rasa.com/1.9.4/glossary/)

# Versions

### Viewing: 1.9.4

# Events

Conversations in Rasa are represented as a sequence of events. This page lists the event types defined in Rasa Core.

## General Purpose Events

### Set a Slot

Short

Event to set a slot on a tracker

JSON

```json
evt = {"event": "slot", "name": "departure_airport", "value": "BER"}
```

### Restart a conversation

Short

Resets anything logged on the tracker.

JSON

```json
evt = {"event": "restart"}
```

### Reset all Slots

Short

Resets all the slots of a conversation.

JSON

```json
evt = {"event": "reset_slots"}
```

### Schedule a reminder

Short

Schedule an intent to be triggered in the future.

JSON

```json
evt = {
  "event": "reminder",
  "intent": "my_intent",
  "entities": {"entity1": "value1", "entity2": "value2"},
  "date_time": "2018-09-03T11:41:10.128172",
  "name": "my_reminder",
  "kill_on_user_msg": true,
}
```

### Cancel a reminder

Short

Cancel one or more reminders.

JSON

```json
evt = {
  "event": "cancel_reminder",
  "name": "my_reminder",
  "intent": "my_intent",
  "entities": [
        {"entity": "entity1", "value": "value1"},
        {"entity": "entity2", "value": "value2"},
    ],
  "date_time": "2018-09-03T11:41:10.128172",
}
```

### Pause a conversation

Short

Stops the bot from responding to messages.

JSON

```json
evt = {"event": "pause"}
```

### Resume a conversation

Short

Resumes a previously paused conversation.

JSON

```json
evt = {"event": "resume"}
```

### Force a followup action

Short

Instead of predicting the next action, force the next action to be a fixed one.

JSON

```json
evt = {"event": "followup", "name": "my_action"}
```

## Automatically tracked events

### User sent message

Short

Message a user sent to the bot.

JSON

```json
evt = {
    "event": "user",
    "text": "Hey",
    "parse_data": {
        "intent": {
            "name": "greet",
            "confidence": 0.9
        },
        "entities": []
    },
    "metadata": {},
}
```

### Bot responded message

Short

Message a bot sent to the user.

JSON

```json
evt = {"event": "bot", "text": "Hey there!", "data": {}}
```

### Undo a user message

Short

Undoes all side effects that happened after the last user message.

JSON

```json
evt = {"event": "rewind"}
```

### Undo an action

Short

Undoes all side effects that happened after the last action.

JSON

```json
evt = {"event": "undo"}
```

### Log an executed action

Short

Logs an action the bot executed to the conversation.

JSON

```json
evt = {"event": "action", "name": "my_action"}
```

### Start a new conversation session

Short

Marks the beginning of a new conversation session.

JSON

```json
evt = {"event": "session_started"}
```