templates/codebuild-deploy.yaml [240:263]:
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    BotAlias:
        Description: >
            WARNING: For production deployments, use your bot's published alias here.
            The $LATEST alias should only be used for manual testing. Amazon Lex limits
            the number of runtime requests that you can make to the $LATEST version of
            the bot.
        Type: String
        Default: '$LATEST'
        MinLength: 2
        MaxLength: 50
        AllowedPattern: '(^$|^[$a-zA-Z]+((_[$a-zA-Z]+)*|([$a-zA-Z]+_)*|_))'
        ConstraintDescription: >
            Must conform with the permitted Lex Alias name pattern.

    ParentOrigin:
        Type: String
        Description: >
            Browser origin (e.g. http://mysite.example.com:8080) of an
            existing site that is allowed to send/receive data and events
            from the web ui in an iframe setup. This is an optional
            parameter. If left empty, an S3 bucket will be created to
            host a sample parent site embedding the webapp as an iframe.
        AllowedPattern: '(^$|^https?://[\w\.-]+(:\d+)?$)'
        ConstraintDescription: Empty or valid browser origin
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templates/pipeline.yaml [117:140]:
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    BotAlias:
      Description: >
        WARNING: For production deployments, use your bot's published alias here.
        The $LATEST alias should only be used for manual testing. Amazon Lex limits
        the number of runtime requests that you can make to the $LATEST version of
        the bot.
      Type: String
      Default: '$LATEST'
      MinLength: 2
      MaxLength: 50
      AllowedPattern: '(^$|^[$a-zA-Z]+((_[$a-zA-Z]+)*|([$a-zA-Z]+_)*|_))'
      ConstraintDescription: >
        Must conform with the permitted Lex Alias name pattern.

    ParentOrigin:
        Type: String
        Description: >
            Browser origin (e.g. http://mysite.example.com:8080) of an
            existing site that is allowed to send/receive data and events
            from the web ui in an iframe setup. This is an optional
            parameter. If left empty, an S3 bucket will be created to
            host a sample parent site embedding the webapp as an iframe.
        AllowedPattern: '(^$|^https?://[\w\.-]+(:\d+)?$)'
        ConstraintDescription: Empty or valid browser origin
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