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Referencing Objects in Expressions

Design objects have a domain prefix that allows you to directly or indirectly reference a design object or invoke object properties. See Domain Prefixes for more information.

The following table list the various design objects with their prefixes:

Design Object Domain Prefix Reference Type Use Case
Constants cons! Indirect Use this domain to indirectly reference a design object. See Call a Constant from an Expression for more information.
Data Types type! Direct Use this domain to reference an Appian data type or custom data types. See Construction Data Type Values for examples on how to use this prefix. See Data prefixes for information on which data prefixes to use to invoke stored data values in an expression.
Decisions rule! Indirect Use this domain to indirectly reference an expression rule, an interface, a decision, and an integration. See Call a decision from another expression for more information.
Expression Rules rule! Indirect Use this domain to indirectly reference an expression rule, an interface, a decision, and an integration. See Call an expression rule from another expression for more information.
Integrations rule! Indirect Use this domain to indirectly reference an expression rule, an interface, a decision, and an integration. See Call an integration to query data for more information.
Interfaces rule! Indirect Use this domain to indirectly reference an expression rule, an interface, a decision, and an integration. See Interfaces as rules for more information.
Portal portal! Direct Use this domain to reference a portal object and any portal pages. See Reference a portal object for more information.
Record Type recordType! Direct Use this domain to reference a record object type and any properties of the record type like fields, actions, filters, and relationships. See Reference a record type and its properties for more information.
Site site! Direct Use this domain to reference a site object and any site pages. See Reference a Site Page for more information.
Translation set translation! Direct Use this domain to reference translation strings within a translation set. See Referencing Translation Strings in Your Applications for more information.
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Referencing Objects in Expressions

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