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page_type: reference

{% comment %}
DO NOT EDIT THIS FILE!
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# StartTemplateChatParams interface
> This API is provided as a preview for developers and may change based on feedback that we receive. Do not use this API in a production environment.
> 

Params for [TemplateGenerativeModel.startChat()](./ai.templategenerativemodel.md#templategenerativemodelstartchat)<!-- -->.

<b>Signature:</b>

```typescript
export interface StartTemplateChatParams extends Omit<StartChatParams, 'tools'> 
```
<b>Extends:</b> Omit&lt;[StartChatParams](./ai.startchatparams.md#startchatparams_interface)<!-- -->, 'tools'&gt;

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [templateId](./ai.starttemplatechatparams.md#starttemplatechatparamstemplateid) | string | <b><i>(Public Preview)</i></b> The ID of the server-side template to execute. |
|  [templateVariables](./ai.starttemplatechatparams.md#starttemplatechatparamstemplatevariables) | Record&lt;string, unknown&gt; | <b><i>(Public Preview)</i></b> A key-value map of variables to populate the template with. |
|  [tools](./ai.starttemplatechatparams.md#starttemplatechatparamstools) | [TemplateTool](./ai.md#templatetool)<!-- -->\[\] | <b><i>(Public Preview)</i></b> |

## StartTemplateChatParams.templateId

> This API is provided as a preview for developers and may change based on feedback that we receive. Do not use this API in a production environment.
> 

The ID of the server-side template to execute.

<b>Signature:</b>

```typescript
templateId: string;
```

## StartTemplateChatParams.templateVariables

> This API is provided as a preview for developers and may change based on feedback that we receive. Do not use this API in a production environment.
> 

A key-value map of variables to populate the template with.

<b>Signature:</b>

```typescript
templateVariables?: Record<string, unknown>;
```

## StartTemplateChatParams.tools

> This API is provided as a preview for developers and may change based on feedback that we receive. Do not use this API in a production environment.
> 

<b>Signature:</b>

```typescript
tools?: TemplateTool[];
```