> For the complete documentation index, see [llms.txt](https://docs.zontroy.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.zontroy.com/zontroy-offline-code-generator/zontroy-ai-offline-code-generator-tutorial/built-in-functions.md).

# Built-in Functions

## <mark style="color:blue;">Functions</mark>

*Zontroy interpreter has a number of functions and types built into it that are always available. Every function performs a single task.*

### <mark style="color:blue;">String Functions</mark>

*String functions allow developers to perform certain operations on strings in Zontroy.*

***zg-toStr((()))** : Returns a string representing the object.*

***zg-upper((())) or zg-u((()))** : Converts string to upper case.*

***zg-lower((())) or zg-l((()))** : Converts string to lower case.*

***zg-upperFirstCase((())) or zg-ufc((()))** : Converts first character of a string to upper case.*

***zg-lowerFirstCase((())) or zg-lfc((()))** : Converts first character of a string to lower case.*

***zg-pluralize((())) or zg-p((()))** : Pluralize a name if it is in a single form.*

***zg-singularize((())) or zg-s((()))** : Singularize a name if it is in a plural form.*

**zg-puts((())) :** *Prints all characters in the character array indicated by the str parameter to the screen.*

***zg-notLast((()))*****&#x20;:** *The not-last builtin function, which is generally used in the for loop, is used to ensure that the desired character does not appear at the end of the loop.*

***zg-notFirst((())) :*** *The not-first built-in function, usually used in the for loop, is used to ensure that the desired character does not appear only at the beginning of the loop.*

***zg--tripleDots((())) :** Allows adding  **...** to any word or sentence.*

***zg-tripleLeftParenthesis((())) or zg-tripleLeftParentheses((())***) ***or zg-tripleLeftRoundBrackets((()))*** : *It puts three left parenthesis ((( in the desired location.*

***zg-tripleRightParenthesis((())) or zg-tripleRightParentheses((())) or zg-tripleRightRoundBrackets((())) :** It puts three right parenthesis ))) in the desired location.*

***zg-tripleLeftSquareBrackets((())) :** It puts three left square brackets \[\[\[ in the desired location.*

***zg-tripleRightSquareBrackets((())) :*** I*t puts three right square brackets ]]] in the desired location.*

***zg-tripleLeftCurlyBrackets((())) :** It puts three left curly brackets {{{ in the desired location.*

***zg-tripleRightCurlyBrackets((())) :** It puts three right curly brackets }}} in the desired location.*

***zg-tripleLeftAngleBrackets((())) or zg-tripleLessThan((())) :** It puts three left angle brackets <<< in the desired location*.

***zg-tripleRightAngleBrackets((())) or zg-tripleGreaterThan((())) :** It puts three right angle brackets >>> in the desired location.*

***zg-zero((())) :** returns the value zero.*

***zg-estimateDisplayField((())) :** It takes zg-entity as a parameter and finds the area of ​​the entity to be displayed on the screen.*

### <mark style="color:blue;">Type Conversion Functions</mark>

<figure><img src="/files/nD4yoN0f3prM9vFkfbw2" alt="" width="563"><figcaption><p>Data Type Converter</p></figcaption></figure>

*Zontroy applies data type conversions from database type to variable type automatically. However if there is additional conversion need built-in functions are available. Type conversion functions provides additional functionality to convert data type of a column in the database of current project.*

***zg-convertToCSharpDataType** converts data type of an entity to C# data type.*

***zg-convertToGoDataType** converts data type of an entity to Go data type.*

***zg-convertToJavaDataType** converts data type of an entity to Java data type.*

***zg-convertToJavascriptDataType** converts data type of an entity to Javascript data type.*

***zg-convertToPHPDataType** converts data type of an entity to PHP data type.*

***zg-convertToPythonDataType** converts data type of an entity to Python data type.*

***zg-convertToRDataType** converts data type of an entity to R data type.*

***zg-convertToSwiftDataType** converts data type of an entity to Swift data type.*

***zg-convertToTypeScriptDataType** converts data type of an entity to TypeScript data type.*

***zg-convertToVBNetDataType** converts data type of an entity to VB.Net data type.*

***zg-convertToOtherDataType** converts data type of an entity to Other Language data type defined by developer.*

***zg-convertToAnotherDataType** converts data type of an entity to Another Language data type defined by developer.*