Supported input data types for conversational subflows and actions

---
title: Supported input data types for conversational subflows and actions
description: Conversational subflows and actions support a limited number of input data types. To be compatible with conversational interfaces, an action or a subflow must only include inputs that use supported data types.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/build-workflows/workflow-studio/supported-input-data-types-for-conversational-subflows-and-actions.html
release: australia
product: Workflow Studio
classification: workflow-studio
topic_type: reference
last_updated: "2026-09-10"
reading_time_minutes: 1
breadcrumb: [Flows, subflows, and actions reference, Flows, subflows, and actions, Workflow Studio, Build workflows]
---

# Supported input data types for conversational subflows and actions

Conversational subflows and actions support a limited number of input data types. To be compatible with conversational interfaces, an action or a subflow must only include inputs that use supported data types.

|ServiceNow AI Platform data type name|Workflow Studio data type label|
|-------------------------------------|-------------------------------|
|array.string|Array of Strings|
|boolean|True/False|
|calendar|Calendar Date/Time|
|choice|Choice|
|date|Date|
|datetime|Date/Time|
|document\_id|Document ID|
|date\_time|Date/Time|
|due\_date|Due Date|
|email|Email|
|glide\_date|Date|
|glide\_time|Time|
|glide\_date\_time|Date/Time|
|GUID|Sys ID \(GUID\)|
|html|HTML|
|integer|Integer|
|long|Long|
|longint|Long Integer String|
|reference|Reference|
|schedule\_date\_time|Schedule Date/Time|
|string|String|
|string\_full\_utf8|String \(Full UTF-8\)|
|table\_name|Table Name|

**Parent Topic:**[Flows, subflows, and actions reference](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/build-workflows/workflow-studio/flow-designer-reference.md)