--- sourceDocument: zurich Combined Product Files sourceDocumentLink: https://www.servicenow.com/docs/r/zurich/delta-yokohama-zurich Release : - zurich ft:locale : - en-US ft:publication_title : - zurich Combined Product Files ft:clusterId : - delta3zy bundleId : - delta3zy --- # Combined Flows, subflows, and actions in Workflow Studio release notes for upgrades from Yokohama to Zurich # Combined Flows, subflows, and actions in Workflow Studio release notes for upgrades from Yokohama to Zurich {#ariaid-title1} Release version: Zurich Updated October 8, 2026 ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 11 minutes to read Summarize ![AI sparkle icon](https://servicenow.com/docs/portal-asset/ai-sparkle-icon) Summarized using AI This content was generated using new OpenAI-powered functionality. Results are provided on an as is basis and are not guaranteed to be accurate or complete. ## Summary of Combined Flows, Subflows, and Actions in Workflow Studio Release Notes for Upgrades from Yokohama to Zurich This consolidated guide helps ServiceNow customers prepare for upgrading Flows, subflows, and actions in Workflow Studio from the Yokohama release family to the Zurich release family. It summarizes new features, changes, enhancements, and important upgrade information to ensure a smooth transition and maximize the capabilities of Workflow Studio in Zurich. Show full answer Show less ## Important Upgrade Information * If upgrading from Washington DC, be aware that the earlier "save as you go" feature was withdrawn and may require manual restoration via system properties. * Review pre- and post-upgrade tasks to align your environment with Zurich requirements. ## New Features Introduced Between Yokohama and Zurich * **Now Assist Integration:** Create and enhance flows or subflows using Now Assist, including generating flows from images and running published skills from actions. * **Conversational Compatibility:** Perform compatibility checks on actions and subflows to ensure they work with conversational interfaces, with support for additional input data types (Dynamic Choice, Array of Objects). * **Generative AI Enhancements:** Automatically generate natural language descriptions for data inputs/outputs, skill metadata, and summaries for flows, subflows, and actions using generative AI and Now LLM Long Term Stable models. * **Conversational Settings:** Configure conversational subflows and actions, create multiple discoverable skills, set default and hidden input values, and enhance error messages for better user experience in conversations. * **Flow Debugging and Management:** Debug flows and subflows with breakpoints, save reusable triggers and scheduled triggers for use across multiple flows, pause flows waiting for specific messages or email replies, and view execution details including subflow stages. * **External Event Sources:** Define and manage external event sources and domain-separated saved external triggers to initiate flows based on external system events. * **Automatic Saving and History Tracking:** Flows, subflows, and actions now save automatically with the ability to view, copy, restore, or remove previous configurations. * **UI Enhancements:** Introduction of the Coral theme as default with dark mode options and improved access to conversational settings and event sources through updated button placements and menus. ## Changes and Enhancements * Improved natural language data descriptions to understand flow components without opening configurations. * Updated UI elements for better access to debugging, conversational settings, and event source management. * Accessibility improvements including enhanced ARIA labels, keyboard navigation, and support for zooming content up to 400% without loss of functionality, aiding users with low vision. ## Removed and Deprecated Features No features related to Flows, subflows, or actions were removed or deprecated between Yokohama and Zurich. ## Activation and Availability * Workflow Studio remains an AI Platform feature active by default in both Yokohama and Zurich. * To access the latest features, update Workflow Studio from the ServiceNow Store. * ServiceNow Store provides cumulative release notes and app management resources. ## Additional Notes * No new browser or localization requirements were introduced. * Accessibility improvements support compliance and usability for diverse user needs. * Highlighted features such as creating flows from images, debugging, reusable triggers, conversational skill management, and automatic saving improve workflow development efficiency and collaboration. This upgrade enables ServiceNow customers to leverage AI-powered automation, conversational capabilities, and enhanced debugging and management tools within Workflow Studio, streamlining flow creation and maintenance while improving user experience and accessibility. Consolidated page of all release notes for Flows, subflows, and actions in Workflow Studio from Yokohama to Zurich. ## How to use this page To help you prepare for your upgrade, we have combined the cross-family Flows, subflows, and actions in Workflow Studio release notes onto one page. Read this summary of the new features, changes, and updated information for your product from Yokohama to Zurich. Tip: If there were no updates for a release notes section in a certain family release, we included a short note for your reference. For example, if a product did not have any updates in Tokyo, the row says "No updates for this release." ## Important information for upgrading Flows, subflows, and actions in Workflow Studio to Zurich Before you upgrade to Zurich, review these pre- and post-upgrade tasks and complete the tasks as needed. {#dfrn3-flowssubflowsandactionsinworkflowstudio-summary__entry__2} | Release | Release notes | |-|-| | Yokohama | No updates for this release. | | Zurich | Upgrade information : An earlier version of the save as you go feature was released and withdrawn from the Washington DC release. If you're upgrading from the Washington DC release, you might have manually turned off the save as you go features by setting a system property. To restore the save as you go features, see [Restore save as you go functionality](https://www.servicenow.com/docs/access?context=restore-save-as-you-go-functionality&family=zurich&ft:locale=en-US). | [ ] ## New features Between your current release family and Zurich, new features were introduced for Flows, subflows, and actions in Workflow Studio. {#dfrn3-flowssubflowsandactionsinworkflowstudio-summary__entry__8} | Release | Release notes | |-|-| | Yokohama | [Add and edit flows in Now Assist for app generation](https://www.servicenow.com/docs/access?context=sns-app-gen-add-flow&family=yokohama&ft:locale=en-US) : Create a flow when creating an application in Now Assist for app generation. Enhance an existing application by adding a flow. [Call a Now Assist skill from an action](https://www.servicenow.com/docs/access?context=call-now-assist-skill-step&family=yokohama&ft:locale=en-US) : Run a published Now Assist skill from an action. Configure the Now Assist skill inputs and skill outputs from the step inputs and step outputs. [Check for conversational compatible actions](https://www.servicenow.com/docs/access?context=check-for-conversational-compatible-actions&family=yokohama&ft:locale=en-US) : Run a compatibility check on new or all actions to determine if they are conversational compatible. Review the inputs of an action to determine if their data types are compatible. [Check for conversational compatible subflows](https://www.servicenow.com/docs/access?context=check-for-conversational-compatible-subflows&family=yokohama&ft:locale=en-US) : Run a compatibility check on new or all subflows to determine if they are conversation compatible. Review the inputs of a subflow to determine if their data types are compatible. [Create a flow or subflow from an image](https://www.servicenow.com/docs/access?context=flow-generation-with-images&family=yokohama&ft:locale=en-US) : Create a flow or a subflow from an image by using Now Assist. Capture the detailed process in an image and attach the image to Workflow Studio. Now Assist generates a preview of the flow that you can modify and regenerate. [Display text descriptions of the data used by actions and flow logic](https://www.servicenow.com/docs/access?context=exploring-flows&family=yokohama&ft:locale=en-US) : See a natural language description of the data each component of a flow uses. Understand what data flow triggers, actions, and flow logic blocks use without having to open their configuration details. [Generate skill and input descriptions for conversational actions](https://www.servicenow.com/docs/access?context=configure-action-conversation-settings&family=yokohama&ft:locale=en-US) : Configure conversational settings for conversational actions by generating skill and input descriptions with generative AI. [Generate skill and input descriptions for conversational subflows](https://www.servicenow.com/docs/access?context=configure-subflow-conversation-settings&family=yokohama&ft:locale=en-US) : Configure conversational settings for conversational subflows by generating skill and input descriptions with generative AI. [Set default values for action inputs](https://www.servicenow.com/docs/access?context=configure-action-conversation-settings&family=yokohama&ft:locale=en-US) : Set a default value for a conversational action input. Hide action inputs that have a default value if you don't want users to change the input value in a conversation. [Set default values for subflow inputs](https://www.servicenow.com/docs/access?context=configure-subflow-conversation-settings&family=yokohama&ft:locale=en-US) : Set a default value for a conversational subflow input. Hide subflow inputs that have a default value if you don't want users to change the input value in a conversation. [Summarize a flow or subflow](https://www.servicenow.com/docs/access?context=flow-summarization&family=yokohama&ft:locale=en-US) : Summarize what a flow or subflow does by using generative AI. [Support additional input data types for conversational actions](https://www.servicenow.com/docs/access?context=conversational-actions&family=yokohama&ft:locale=en-US) : Support conversational actions that have Dynamic Choice and Array of Objects input types. [Support additional input data types for conversational subflows](https://www.servicenow.com/docs/access?context=conversational-subflows&family=yokohama&ft:locale=en-US) : Support conversational subflows that have Dynamic Choice and Array of Objects input types. [Create the recommended automation type](https://www.servicenow.com/docs/access?context=design-considerations-consolidated&family=yokohama&ft:locale=en-US) : Answer a few questions about your automation and Workflow Studio displays recommendations on whether you should create a playbook, flow, subflow, action, or a data stream. [Configure conversational settings](https://www.servicenow.com/docs/access?context=configure-subflow-conversation-settings&family=yokohama&ft:locale=en-US) : View the subflows and actions that are conversational compatible. Configure conversational settings to make a subflow or action available to conversational interfaces. [Debug flows and subflows](https://www.servicenow.com/docs/access?context=flow-debugger&family=yokohama&ft:locale=en-US) : Debug flows and subflows from a dedicated Workflow Studio tab. Set breakpoints and step through a paused flow to review configuration and runtime values. [Save a flow trigger for reuse in other flows](https://www.servicenow.com/docs/access?context=saved-flow-triggers&family=yokohama&ft:locale=en-US) : Save a set of trigger definitions as a reusable trigger. Enable flow authors to select the saved trigger from some or all application flows. Specify whether flow authors can see the trigger details or add conditions to the trigger. [Use the Flow API to send a message to a paused flow](https://www.servicenow.com/docs/access?context=FlowAPI-sendMessage_S_S_S&family=yokohama&ft:locale=en-US) : Send a specific message and payload response to a flow that is paused and waiting for a message. [Wait for a specific message from the Flow API](https://www.servicenow.com/docs/access?context=wait-for-message-action&family=yokohama&ft:locale=en-US) : Pause a flow until it receives a specific message from the flow API. Specify the string message that resumes running the flow, and optionally provide a time out value to resume the flow if no message is received after a specific amount of time. | | Zurich | [Support Now LLM Long Term Stable models (LTS) with Flow generation](https://www.servicenow.com/docs/access?context=exploring-flow-generation&family=zurich&ft:locale=en-US) : Support the Now LLM Long Term Stable models (LTS) for Flow generation. [Support Now LLM Long Term Stable models (LTS) with Flow summarization](https://www.servicenow.com/docs/access?context=flow-summarization&family=zurich&ft:locale=en-US) : Support the Now LLM Long Term Stable models (LTS) for Flow summarization. [Use an AI agent action](https://www.servicenow.com/docs/access?context=use-an-ai-agent-action&family=zurich&ft:locale=en-US) : Use flow data to run an AI agent and configure the expected agent output for use later in the flow. [Use conversational subflows and actions by default](https://www.servicenow.com/docs/access?context=conversational-subflows&family=zurich&ft:locale=en-US) : Use conversational subflows and actions when you install any Now Assist product. This skill is active by default. [Create a skill for conversational subflows and actions](https://www.servicenow.com/docs/access?context=create-conversational-subflow-skill&family=zurich&ft:locale=en-US) : Create a skill for the conversational subflow and action and make the skill discoverable in conversations. You can have multiple skills for the same subflow or action. [Enhancements in the subflow and action conversational settings](https://www.servicenow.com/docs/access?context=configure-subflow-conversation-settings&family=zurich&ft:locale=en-US) : To make the error messages more useful in a conversation, you can show specific error messages from the subflow or action rather than showing generic error messages. Additionally, if you override an input with reference, you can apply a filter to limit the number of records in the Reference field. [Use your preferred LLM to generate descriptions for subflow or action skill, input, and output](https://www.servicenow.com/docs/access?context=configure-llm-for-conversational-subflow&family=zurich&ft:locale=en-US) : Leverage generative AI to generate descriptions for the subflow or action skill, inputs, and outputs. You can configure a default LLM to generate the descriptions. [Create and manage external event sources](https://www.servicenow.com/docs/access?context=manage-external-event-sources&family=zurich&ft:locale=en-US) : Create an external event source on your ServiceNow instance that listens to events occurring in an application or system outside of the ServiceNow AI Platform®. Based on the external event source, you can define one or more external trigger definitions in your instance and then associate the external trigger definitions with the external event source. When an event that you specified in the external trigger definition occurs, the external trigger definition executes one or more flows. You can update or remove external event sources that you create. [Create a domain-separated saved external trigger](https://www.servicenow.com/docs/access?context=create-saved-external-trigger&family=zurich&ft:locale=en-US) : Create a domain-separated saved external trigger. Configurations that you make to the trigger are auto-saved. After the trigger is published, you can edit only the Label field values. [Create a reusable scheduled trigger](https://www.servicenow.com/docs/access?context=create-scheduled-trigger&family=zurich&ft:locale=en-US) : Create a scheduled trigger that starts your flow when you need. Use the trigger across your flows. [Make a flow wait for an email reply](https://www.servicenow.com/docs/access?context=wait-for-email-reply-action&family=zurich&ft:locale=en-US) : Pause a flow until an email reply is received to an outbound email record [Show subflow stages in a parent flow](https://www.servicenow.com/docs/access?context=show-subflow-stages-in-a-parent-flow&family=zurich&ft:locale=en-US) : Show subflow stages as part of the execution details of a parent flow. [Save flows, subflows, and actions automatically](https://www.servicenow.com/docs/access?context=save-as-you-go-flows&family=zurich&ft:locale=en-US) : Save flows, subflows, and actions automatically as you work on them. [View flow history](https://www.servicenow.com/docs/access?context=flow-history&family=zurich&ft:locale=en-US) : View and manage the history of a flow. See past configurations of a flow to copy, restore, or remove them. [View subflow history](https://www.servicenow.com/docs/access?context=subflow-history&family=zurich&ft:locale=en-US) : View and manage the history of a subflow. See past configurations of a subflow to copy, restore, or remove them. | [ ] ## Changes Between your current release family and Zurich, some changes were made to existing Flows, subflows, and actions in Workflow Studio features. {#dfrn3-flowssubflowsandactionsinworkflowstudio-summary__entry__14} | Release | Release notes | |-|-| | Yokohama | [Display text descriptions of data changes](https://www.servicenow.com/docs/access?context=exploring-flows&family=yokohama&ft:locale=en-US) : See a natural language description of the data each component of a flow uses. Understand what data flow triggers, actions, and flow logic blocks use without having to open their configuration details. | | Zurich | Coral theme : Coral is now the default theme for new portal, web, and mobile experiences with Next Experience or Core UI enabled. This theme provides a fresh look and feel, featuring brand-neutral illustrations to enhance your user experience. A dark theme option is available for web and mobile experiences. [Display flow recommendations in flow diagramming view](https://www.servicenow.com/docs/access?context=exploring-flow-recommendations&family=zurich&ft:locale=en-US) : Get a list of recommendations for the next item in your flow while in a flow diagramming view. [Launch the flow debugger from an updated button](https://www.servicenow.com/docs/access?context=flow-debugger&family=zurich&ft:locale=en-US) : Start the flow debugger from an updated button. [Open conversational subflow settings from an updated button](https://www.servicenow.com/docs/access?context=configure-subflow-conversation-settings&family=zurich&ft:locale=en-US) : The option to open subflow conversational settings has moved from the more action menu to the sidebar. [Open conversational action settings from an updated button](https://www.servicenow.com/docs/access?context=configure-action-conversation-settings&family=zurich&ft:locale=en-US) : The option to open action conversational settings has moved from the more action menu to the sidebar. [See event sources from a new menu](https://www.servicenow.com/docs/access?context=create-an-external-event-source&family=zurich&ft:locale=en-US) : Create, read, update, or delete external event sources with the Event sources menu. An Event sources menu has been added to a panel of the spokes page that appears after you select a spoke under the Integrations tab. | [ ] ## Removed Between your current release family and Zurich, some Flows, subflows, and actions in Workflow Studio features or functionality were removed. {#dfrn3-flowssubflowsandactionsinworkflowstudio-summary__entry__20} | Release | Release notes | |-|-| | Yokohama | No updates for this release. | | Zurich | No updates for this release. | [ ] ## Deprecations Between your current release family and Zurich, some Flows, subflows, and actions in Workflow Studio features or functionality were deprecated. {#dfrn3-flowssubflowsandactionsinworkflowstudio-summary__entry__26} | Release | Release notes | |-|-| | Yokohama | No updates for this release. | | Zurich | No updates for this release. | [ ] ## Activation information Review information on how to activate Flows, subflows, and actions in Workflow Studio. {#dfrn3-flowssubflowsandactionsinworkflowstudio-summary__entry__32} | Release | Release notes | |-|-| | Yokohama | Activation information : Workflow Studio is a ServiceNow AI Platform feature that is active by default. Get the latest Workflow Studio features by updating the app from the ServiceNow Store. Visit the [ServiceNow Store](https://store.servicenow.com/sn_appstore_store.do#!/store/home) website to view all the available apps and for information about submitting requests to the store. For cumulative release notes information for all released apps, see the [ServiceNow Store version history release notes](https://www.servicenow.com/docs/access?context=sn-store-release-notes&family=yokohama&ft:locale=en-US). Important: Workflow Studio is available in the ServiceNow Store. For details, see the "Activation information" section of these release notes. | | Zurich | Activation information : Workflow Studio is a ServiceNow AI Platform feature that is active by default. Get the latest Workflow Studio features by updating the app from the ServiceNow Store. Visit the [ServiceNow Store](https://store.servicenow.com/sn_appstore_store.do#!/store/home) website to view all the available apps and for information about submitting requests to the store. For cumulative release notes information for all released apps, see the [ServiceNow Store version history release notes](https://www.servicenow.com/docs/access?context=sn-store-release-notes&family=zurich&ft:locale=en-US). Important: Workflow Studio is available in the ServiceNow Store. For details, see the "Activation information" section of these release notes. | [ ] ## Additional requirements If any additional requirements were introduced or changed for Flows, subflows, and actions in Workflow Studio we have noted them here. {#dfrn3-flowssubflowsandactionsinworkflowstudio-summary__entry__38} | Release | Release notes | |-|-| | Yokohama | No updates for this release. | | Zurich | No updates for this release. | [ ] ## Browser requirements If any specific browser requirements were introduced or changed for Flows, subflows, and actions in Workflow Studio we have noted them here. {#dfrn3-flowssubflowsandactionsinworkflowstudio-summary__entry__44} | Release | Release notes | |-|-| | Yokohama | No updates for this release. | | Zurich | No updates for this release. | [ ] ## Accessibility information Review details on accessibility information for Flows, subflows, and actions in Workflow Studio, such as specific requirements or compliance levels. {#dfrn3-flowssubflowsandactionsinworkflowstudio-summary__entry__50} | Release | Release notes | |-|-| | Yokohama | Accessibility information : ARIA label improvements : Added and updated ARIA labels to support screen readers. Keyboard navigation improvements : Improved keyboard navigation with working with actions, flows, and subflows in Workflow Studio. Reflow improvements of canvas headers and footers : Added support for the reflow of canvas headers and footer content in Workflow Studio actions, flows, and subflows. These components can be zoomed up to 400% through your browser settings without loss of content or functionality. This enhancement helps users with low vision or who have trouble seeing web content in a browser due to monitor size, device type, poor lighting, or other situations. | | Zurich | Accessibility information : Reflow improvements of canvas headers and footers : The following components were updated to support reflow, which enables pages and content to be zoomed up to 400% through your browser settings without loss of content or functionality. Additionally, content can be enlarged without scrolling in two dimensions at a width equivalent to 320 CSS pixels or a height equivalent to 256 CSS pixels. * Workflow Studio canvas header * Workflow Studio canvas footer This enhancement helps users with low vision or who have trouble seeing web content in a browser due to monitor size, device type, poor lighting, or other situations. Reflow can be turned off with a system property for instances, experiences, and pages. See [\[Placeholder link text to key bundle-platux.auto-reflow\]](https://www.servicenow.com/docs/access?context=auto-reflow&family=zurich&ft:locale=en-US) for details. | [ ] ## Localization information If there are specific localization considerations for Flows, subflows, and actions in Workflow Studio we have noted them here. {#dfrn3-flowssubflowsandactionsinworkflowstudio-summary__entry__56} | Release | Release notes | |-|-| | Yokohama | No updates for this release. | | Zurich | No updates for this release. | [ ] ## Highlight information If there are specific highlight considerations for Flows, subflows, and actions in Workflow Studio we have noted them here. {#dfrn3-flowssubflowsandactionsinworkflowstudio-summary__entry__62} | Release | Release notes | |-|-| | Yokohama | * Create a flow or a subflow from an image by using Now Assist. * Debug flows and subflows from a dedicated debugging tab. * Pause a flow until it receives a specific message from the flow API. * Run a published Now Assist skill from an action. * Save flow triggers for reuse in other flows. See [Exploring flows](https://www.servicenow.com/docs/access?context=exploring-flows&family=yokohama&ft:locale=en-US) for more information. | | Zurich | * Create a scheduled trigger that you can use across your flows. * Save flows, subflows, and actions automatically as you work on them. * View and manage the history of flows and subflows to copy, restore, or remove past configurations. * Create multiple skills for conversational subflows and actions from the conversational settings. * Configure a default LLM for generating metadata for conversational subflows and actions. See [Flows](https://www.servicenow.com/docs/access?context=exploring-flows&family=zurich&ft:locale=en-US), [Subflows](https://www.servicenow.com/docs/access?context=exploring-subflows&family=zurich&ft:locale=en-US), and [Actions](https://www.servicenow.com/docs/access?context=exploring-actions&family=zurich&ft:locale=en-US) for more information. | [ ]