# FAQ

#### How to use dynamic value in text

You can use [Accessors](/app-builder/app-construction/accessors.md) to dynamically display values from [Query](/app-builder/app-construction/query.md). Within a Text or Rich Text element, use ${#query\_name} to access the query result data.

<figure><img src="/files/l5WMJ6J2WEY0SiyM27r1" alt=""><figcaption><p>An example that uses value from the 'monthly_metrics' query in rich text</p></figcaption></figure>

#### Text size and typography

You can edit the typography of each text element. Click the element you want to edit, within right panel, go to CSS-> Typography. Here you can set font size, color, and more.

See more detail at [Typography](/app-builder/app-construction/elements/css-styles/typography.md)

#### How to display single value

You can use [Accessors](/app-builder/app-construction/accessors.md) to dynamically display values from [Query](/app-builder/app-construction/query.md) or app data.&#x20;

#### Can I write code in action flow

Yes.&#x20;

#### Can I write custom data visualization code

How to na


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

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

```
GET https://docs.acho.io/app-builder/faq.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
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.