# Workflow Events

You can access the plugin's list of workflow events by:

1. Opening the workflow tab (make sure you've already added the Canvas-Main element to your page
2. Click to add a Trigger event
3. Navigate to the "Element" section
4. Select one of the events associated with "A Canvas-Main"

![](/files/XT4e2irBiVE5GYTJONOp)

Below is a list of all of the workflow events associated with the Canvas-Main element along with a description of what it does and how to use it.

**Workflow Events (Workflow Tab)**

| Event Name                           | Description                                                                                                                                      |
| ------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------ |
| A Canvas-Main has been modified      | Fires when the Canvas has been modified in any way                                                                                               |
| A Canvas-Main has deleted an element | Fires when an element has been deleted on the Canvas                                                                                             |
| A Canvas-Main Shape Added            | Fires when a shape has been added to the Canvas                                                                                                  |
| A Canvas-Main Text Added             | Fires when a text has been added to the Canvas                                                                                                   |
| Generated a saved image URL          | Fires when the saved image URL (.png of the image) is ready ([details here](/canvas-using-the-plugin/saving-the-canvas.md#save-as-png-to-url))   |
| Generated a serialization            | Fires when the serialization (JSON of the Canvas) is ready ([details here](/canvas-using-the-plugin/saving-the-canvas.md#save-as-serialization)) |


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# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
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```

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The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.