f11/sdk/fidl/fuchsia.castwindow/README.md

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# fuchsia.castwindow

<div class="fidl-version-div"><span class="fidl-attribute fidl-version">Added: 7</span></div>


## **PROTOCOLS**

## InteractionHandler {#InteractionHandler}
*Defined in [fuchsia.castwindow/window.fidl](https://cs.opensource.google/fuchsia/fuchsia/+/main:sdk/fidl/fuchsia.castwindow/window.fidl;l=14)*
<p>Routes interaction requests to the application instance identified
by |session_id|.</p>


### SendInteraction {#InteractionHandler.SendInteraction}




#### Request {#InteractionHandler.SendInteraction_Request}

<table>
    <tr><th>Name</th><th>Type</th></tr>
        <tr>
            <td><code>session_id</code></td>
            <td>
                <code>string</code>
            </td>
        </tr>
        <tr>
            <td><code>interaction</code></td>
            <td>
                <code><a class='link' href='#Interaction'>Interaction</a></code>
            </td>
        </tr>
</table>




## **ENUMS**

### Interaction [strict](/fuchsia-src/reference/fidl/language/language.md#strict-vs-flexible){:.fidl-attribute} {#Interaction data-text="Interaction"}
Type: <code>uint32</code>

*Defined in [fuchsia.castwindow/window.fidl](https://cs.opensource.google/fuchsia/fuchsia/+/main:sdk/fidl/fuchsia.castwindow/window.fidl;l=7)*

<table>
    <tr><th>Name</th><th>Value</th><th>Description</th></tr>
        <tr id="Interaction.GO_BACK">
<td><h3 id="Interaction.GO_BACK" class="add-link hide-from-toc">GO_BACK</h3></td>
            <td><code>1</code></td>
            <td></td>
        </tr>
</table>