> ## Documentation Index
> Fetch the complete documentation index at: https://docs.abbyy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Predefined Constants

> Reference for all predefined constants available in the FlexiLayout language.

| Type | Values |
| :- | :- |
| Alignment | `Alignment_None`, `Alignment_Left`, `Alignment_Right`, `Alignment_Justified`, `Alignment_Center`. |
| BarcodeOrientations | `BarcodeOrientation_Autodetect`, `BarcodeOrientation_LefttoRight`, `BarcodeOrientation_Downtotop`, `BarcodeOrientation_RighttoLeft`, `BarcodeOrientation_toptoDown`. |
| BarcodeTypes | `BarcodeType_Autodetect`, `BarcodeType_Codabar`, `BarcodeType_Code39`, `BarcodeType_Code93`, `BarcodeType_CheckCode39`, `BarcodeType_Code39WithoutAsterisk`, `BarcodeType_Interleaved25`, `BarcodeType_CheckInterleaved25`, `BarcodeType_EAN13`, `BarcodeType_Code128`, `BarcodeType_EAN8`, `BarcodeType_PDF417`, `BarcodeType_IATA25`, `BarcodeType_UCC128`, `BarcodeType_UPCA`, `BarcodeType_UPCE`, `BarcodeType_CheckCodabar`, `BarcodeType_Industrial25`, `BarcodeType_Matrix25`, `BarcodeType_Postnet`, `BarcodeType_Patch`, `BarcodeType_Aztec`, `BarcodeType_DataMatrix`, `BarcodeType_QRCode`. |
| CurrencyPositionTypes | `CurrencyPos_Left`, `CurrencyPos_Right`. |
| DateFormats | `DayMonthYear`, `DayYearMonth`, `MonthDayYear`, `MonthYearDay`, `YearDayMonth`, `YearMonthDay`. |
| DayFormatVariants | `NoLeadingZeroDay`, `WithLeadingZeroDay`. |
| Direction | `Vertical`, `Horizontal`. |
| ImageObjectType | The sum total of any number of elementary values that correspond to objects of various types: `AnyText` - text, `PunctuationMark` - punctuation marks, `PictureObject` - picture, `InvertedTextObject` - inverted text, `CheckmarkObject` - checkmark, `SeparatorObject` - separator, `VertSeparatorObject` - vertical separator, `HorSeparatorObject` - horizontal separator, `BarcodeObject` - barcode. |
| Logic | `true`, `false`. |
| MonthFormatVariants | `DigitsNoLeadingZeroMonth`, `DigitsWithLeadingZeroMonth`, `WordMonth`. |
| PageEdge | `PageTop`, `PageBottom`, `PageLeft`, `PageRight`. |
| Quality | `BestQuality`, `WorstQuality`. |
| RecognitionMode | `BalancedMode`, `FastMode`, `FullModelMode`. |
| SearchAreaPageRestriction | `WholePage` (used only in the RestrictSearchArea function). |
| SearchAreaPageSetType | `AnyPage`, `OddPages`, `EvenPages`, `LastPage` (used only in the RestrictSearchArea function). |
| String | `RegionalDecimalPoint` – the character used by the operating system to separate the integer and fractional parts of a decimal number. |
| TextTypes | `TextType_Normal`, `TextType_TypeWriter`, `TextType_Matrix`. |
| YearFormatVariants | `TwoDigitYear`, `FourDigitYear`. |
| TextRotations | `HorizontalText`, `ClockwiseText`, `CounterClockwiseText`. |