# AWS::SageMaker::Domain CustomImage A custom SageMaker image. ## Syntax To declare this entity in your AWS CloudFormation template, use the following syntax: ### JSON <pre> { "<a href="#appimageconfigname" title="AppImageConfigName">AppImageConfigName</a>" : <i>String</i>, "<a href="#imagename" title="ImageName">ImageName</a>" : <i>String</i>, "<a href="#imageversionnumber" title="ImageVersionNumber">ImageVersionNumber</a>" : <i>Integer</i> } </pre> ### YAML <pre> <a href="#appimageconfigname" title="AppImageConfigName">AppImageConfigName</a>: <i>String</i> <a href="#imagename" title="ImageName">ImageName</a>: <i>String</i> <a href="#imageversionnumber" title="ImageVersionNumber">ImageVersionNumber</a>: <i>Integer</i> </pre> ## Properties #### AppImageConfigName The Name of the AppImageConfig. _Required_: Yes _Type_: String _Maximum_: <code>63</code> _Pattern_: <code>^[a-zA-Z0-9](-*[a-zA-Z0-9]){0,62}</code> _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt) #### ImageName The name of the CustomImage. Must be unique to your account. _Required_: Yes _Type_: String _Maximum_: <code>63</code> _Pattern_: <code>^[a-zA-Z0-9]([-.]?[a-zA-Z0-9]){0,62}$</code> _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt) #### ImageVersionNumber The version number of the CustomImage. _Required_: No _Type_: Integer _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)