The Microphone component for Retool Apps

A button to record audio.

Recordings are Base64-encoded in WebM format, and audio playback displays a progress bar and elapsed time.

Demo

Properties

All properties for this object with supported data types or values. You can write JavaScript almost anywhere in Retool to manipulate or read property values.

audioFile

Details of the recorded audio.

Type	object
Configurability	Read-only
Default	null

Object Properties

contentType

The MIME type.

Type	string
Configurability	Read-only
Default	null

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data

The base64 encoded data of the audio.

Type	string
Configurability	Read-only
Default	null

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name

The name of the audio file.

Type	string
Configurability	Read-only
Default	null

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size

The size of the item in bytes.

Type	number
Configurability	Read-only
Default	null

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type

The file type.

Type	string
Format	MIME Type
Configurability	Read-only
Default	null

Examples

"audio/ogg"

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audioURL

The base64-encoded URL of the audio.

Type	string
Format	Data URL
Configurability	Read-only
Default	null

Examples

"data:audio/ogg;base64,SGVsbG8gV29ybGQ="

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disabled

Whether input, interaction, selection, or triggering is disabled.

Type	boolean
Format	True/False
Configurability	Inspector > Interaction > Disabled
Default	false

Examples

true

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events

A list of configured event handlers that trigger actions or queries.

Type	array
Array values	object
Configurability	Inspector > Interaction > Event handlers
Default	null

Array Object Properties

event

The event that triggers the action. Refer to the events section for details of available events for this object.

Type	string
Configurability	Inspector > Interaction > Event handlers > Event
Default	null

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method

The JavaScript method to perform when type is datasource, widget, state, or localStorage.

Type	string
Configurability	Inspector > Interaction > Event handlers > Edit event handler > Run script actions
Default	null

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type

The type of action to perform.

Type	string
Configurability	Inspector > Interaction > Event handlers > Edit event handler > Action
Allowed Values	Value Description datasource Control query. widget Control component. script Run script. state Set variable. localStorage Set localStorage. util Perform utility action (e.g., Open URL or Confetti).
Default	null

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hidden

Whether this object is hidden from view.

Type	boolean
Format	True/False
Configurability	Inspector > Appearance > Hidden
Default	false

Examples

true

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id

The unique identifier (name).

Type	string
Format	Plain Text
Configurability	Inspector
Default	microphone1

Examples

query1

button1

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isHiddenOnDesktop

Whether to show or hide this object in the desktop layout.

Type	boolean
Format	True/False
Configurability	Inspector > Appearance > Advanced > Show on desktop
Default	false

Examples

true

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isHiddenOnMobile

Whether to show or hide this object in the mobile layout.

Type	boolean
Format	True/False
Configurability	Inspector > Appearance > Advanced > Show on mobile
Default	true

Examples

true

---

label

The text label to display.

Type	string
Format	Plain Text
Configurability	Inspector > Content > Add-ons > Label > Label
Default	null

Examples

"Label"

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maintainSpaceWhenHidden

Whether to take up space on the canvas if hidden is true.

Type	boolean
Format	True/False
Configurability	Inspector > Appearance > Advanced > Maintain space when hidden
Default	false

Examples

true

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margin

The amount of margin to render outside.

Type	string
Format	Plain Text
Configurability	Inspector > Spacing > Margin
Allowed Values	Value UI Option Description 4px 8px Normal Normal margin. 0 None No margin.
Default	4px 8px

Examples

4px 8px

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recording

Whether the audio is recording.

Type	boolean
Configurability	Read-only
Default	null

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showInEditor

Whether the component remains visible in the editor if hidden is true.

Type	boolean
Format	True/False
Configurability	Inspector > Appearance > Advanced > Always show in edit mode
Default	false

Examples

true

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stopLabel

The label for the Stop button.

Type	string
Configurability	Read-only
Default	null

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style

Custom style options.

Type	object
Configurability	Inspector > Appearance > style
Default	null

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Methods

JavaScript API methods for this object. You can write JavaScript almost anywhere in Retool and use methods to manipulate data and property values.

microphone.reset()

Reset all child inputs to default values or clears them if no default values are set.

Definition

microphone.reset()

Examples

Reset microphone.

microphone.reset();

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microphone.scrollIntoView()

Scrolls the canvas or parent container so that the selected component appears in the visible area.

Definition

microphone.scrollIntoView(options)

Parameters

options

The scroll options.

Type

object

Object Properties

behavior

The scroll behavior.

Type	string
Allowed Values	Value Description auto Scroll immediately to the specified position. smooth Scroll gradually to the specified position.

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block

The scroll position relative to the component.

Type	string
Allowed Values	Value Description nearest Scrolls only the minimum amount required for the component to appear in the visible area. Scrolling does not occur if the component is already in view. start Scrolls to position the component at the top of the visible area. center Scrolls to position the component in the middle of the visible area. end Scrolls to position the component at the bottom of the visible area.

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Examples

Scroll the minimum amount to immediately bring microphone into view.

microphone.scrollIntoView({behavior: 'auto', block: 'nearest'});

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Events

Events triggered by user interactions. You can configure event handlers in the IDE to trigger queries or other actions in response to events.

Event	Description
Change	The value is changed.