# AppDefinitionInput
<a name="API_qapps_AppDefinitionInput"></a>

The input for defining an Q App.

## Contents
<a name="API_qapps_AppDefinitionInput_Contents"></a>

 ** cards **   <a name="qbusiness-Type-qapps_AppDefinitionInput-cards"></a>
The cards that make up the Q App definition.  
Type: Array of [CardInput](API_qapps_CardInput.md) objects  
Array Members: Minimum number of 0 items. Maximum number of 20 items.  
Required: Yes

 ** initialPrompt **   <a name="qbusiness-Type-qapps_AppDefinitionInput-initialPrompt"></a>
The initial prompt displayed when the Q App is started.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 10000.  
Required: No

## See Also
<a name="API_qapps_AppDefinitionInput_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/qapps-2023-11-27/AppDefinitionInput) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/qapps-2023-11-27/AppDefinitionInput) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/qapps-2023-11-27/AppDefinitionInput)