Work with expressions

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Genesys Cloud provides dynamic flow creation with expressions that enable you to define conditions, assign values, and create sophisticated automated calculations through its Architect tool. Expressions allow flows to adjust based on specified circumstances by setting branching conditions that evaluate to true or false to determine logical paths, assigning values to call attributes using variables like Call.Ani, and performing complex calculations through selected variables and operators. Key capabilities include expression editing modes, implicit casting between data types, operator precedence, and design-time validation. Architect offers comprehensive tools for expression building, including a robust set of elements, best practice articles, and an Expression Help feature covering mathematical, statistical, text, date/time, logical, comparison, list, financial, audio, language, and type cast categories. Expressions can be created for specific actions in task sequences, prompt and audio scenarios, and transfer actions, enabling developers to build automated calculations quickly while established best practices. The Architect tool enables developers to validate expressions at design time and understand how the system evaluates expressions during runtime to assist flow authors in troubleshooting issues. Additional resources available include Architect permissions , expression tips and best practices, community support options, and documentation covering key developer topics such as the Edit Expression dialog box functionality, implicit casting, NOT_SET usage, property access on values, and working with inbound flows

Expressions allow you to create dynamic flows that adjust to specified circumstances. An expression is a fragment of logic that you can use in a flow to:

Define a condition that determines the logical path you want a flow to take. For example, an expression can set branching conditions. If an expression evaluates to true, then the flow takes the first “if” path. If it is false, the flow takes the second path.
Express a value to use for assignment. For example, specify the initial value of a call attribute using an expression that references call data, such as Call.Ani to store the caller’s ANI.

Use expressions to create sophisticated and complex call flow calculations by selecting variables and operators. Architect provides a robust set of tools to help you create automated calculations quickly and easily. This tool set includes a comprehensive list of elements to assist you with expression building and a series of best practice articles. You can create expressions for specific actions in task sequences, in prompt and audio scenarios, and transfer actions. For more information about expression building in Architect, see About literal and expression modes. For expression and flow creation best practices, see Expression tips and best practices.

Article	Description
Expression modes and expression editing	Learn how to access and use the different expression modes.
Work in the Edit Expression dialog box	View the calculation features available from Edit Expression dialog box.
Work in the Edit Audio Sequence dialog box	View the calculation features available from Edit Audio Sequence dialog box.
Architect Expression Help	Use the Expression Help for assistance in building calculations. Examples include mathematical, statistical, text, date and time, logical, comparison, list, financial, audio, language, and type cast categories.
Expressions tips and best practices	View tips and best practices when using the expression editor. Written from the developer’s perspective.
Switch between literal and expression modes	Learn how to switch between literal mode and expression mode to enter content or calculations.
Use NOT_SET in expressions	Review how to use NOT_SET in expressions to indicate undefined values. Written from the developer’s perspective.
Access properties on values in expressions	Learn how to access properties on expression values. Written from the developer’s perspective.
Implicit casting in expressions	Learn how Architect uses implicit conversions on expressions of different data types.
Operator precedence in expressions	Understand how Architect determines precedence in an expression.
Use string literals in expressions	View how to create string literals in expressions. Written from the developer’s perspective.
Validate expressions at design time	Learn how Architect evaluates expressions at run-time and helps the flow author troubleshoot encountered issues.

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Work with expressions

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