Amazon Developer

Console

as

Settings
Sign out
Notifications
Alexa
Amazon Appstore
Ring
AWS
Documentation
Support
Contact Us
My Cases

Console

as

Get Started
Design and Develop
Publish
Reference
Support
Native
Skip to main content

​
Data object UtteranceInput

interface struct UtteranceInput
UtteranceInput is an interface struct that manages input to the text-to-speech engine. It specifies input text and its format.

​
Fields

​
text

string — Required
The textual representation of the utterance.

​
format

InputFormatType* — Required
The input format type for the speech synthesis request. Default value: IInputFormatType.TEXT_PLAIN.
Last modified on October 29, 2026