Salesforce Salesforce Certified OmniStudio Developer Plat-Dev-210 OmniStudio-Developer Exam Dumps: Updated Questions & Answers (July 2026)

The contact information should be available on demand while the account information stays visible. A collapsible Block element is the cleanest FlexCard design for this: place the contact fields in a separate Block and enable the collapsible property so the user can expand or collapse that section as needed. A CSS class named collapsible is not the supported declarative configuration. A conditional FlexCard State is excessive because the entire card does not need to switch state; only one information section needs to expand or collapse. A DataTable is better for tabular lists of repeated rows, not a small group of primary-contact fields. Salesforce FlexCard documentation confirms that Block elements can group content inside collapsible containers.

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The correct configuration is the Knowledge Articles property on the Step element. OmniScript supports Salesforce Knowledge integration through Knowledge Options configured on a Step. This lets the developer display or filter Knowledge content where the user needs it in the guided process, such as a complex product-information step. A Knowledge Action is not the standard OmniScript element used for step-level help article display. Messaging Framework is unrelated because it handles messaging behavior, not Knowledge article rendering. A custom LWC could be built, but that would be unnecessary custom development when OmniScript already provides Knowledge configuration on the step. The requirement is step-specific, context-sensitive article display, so the Step element’s Knowledge Articles configuration is the correct answer.

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The first responsible action is to validate the Data Mapper query design before committing to the implementation. Prefilling 15 user-based fields can be efficient, but only if the query is selective, returns only needed fields, and uses appropriate filters. Salesforce’s Data Mapper best practices warn developers to avoid server performance problems and to ensure filtering and sorting operations use indexed fields where possible. A Data Mapper Load is wrong because the requirement is to read current user data, not write data back to the User object. Converting the process to a FlexCard does not solve the prefill query risk. A Formula element cannot query Salesforce records. Therefore, option A is the correct risk-reduction step before development proceeds.

For an active OmniScript, the correct practice is to create a new version, make the change in that new version, test it, and activate it only when it is ready. Editing the active version directly is risky because users can be affected immediately, and in-flight users may experience inconsistent behavior. Cloning creates a separate component and is useful when the new script must be independent, but it is not the best approach for a minor controlled change to the same OmniScript. Waiting for a Salesforce release is irrelevant because this is a configuration lifecycle issue, not a platform-release dependency. Salesforce’s OmniStudio versioning guidance supports using versions so changes can be validated before replacing the active version used by end users.

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FlexCards can run outside Salesforce through OmniOut, where the activated FlexCard is downloaded or used as a Lightning Web Component and then added to the external OmniOut project. This means the external app must be set up to host and run the generated LWC-based component, typically through Lightning Web Runtime or the OmniOut application structure. Visualforce is not the right technology because the requirement is an external non-Salesforce web application. Calling the Salesforce API may retrieve data, but it does not render the FlexCard user interface. Wrapping the FlexCard inside a custom LWC first is also unnecessary because OmniStudio already generates the FlexCard as an LWC artifact for external use.

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FlexCards support embedding a custom Lightning web component through the Custom LWC element. The developer should drag the Custom LWC element onto the FlexCard canvas and configure the component name so OmniStudio knows which Lightning web component to render. Using an HTML element with an lwc tag is not the supported declarative method and can create security, rendering, and maintenance problems. An Action element is used to trigger behavior such as launching flows, OmniScripts, or navigation, not to host an LWC visually inside the card. Option D is also wrong because the configuration does not point to a “Card” property for the Lightning web component. The required implementation is the Custom LWC element with the component name configured.

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The correct answer is JSON. Vlocity Build Tool, also called the OmniStudio Build Tool in newer documentation, exports and deploys OmniStudio/Vlocity DataPacks in a source-control-friendly structure. A Data Mapper, FlexCard, OmniScript, or Integration Procedure is represented as DataPack metadata, and the component definition is stored in JSON-based files, while job or manifest configuration can use YAML. DOCX is a document format and has no role in OmniStudio deployment metadata. CSV can hold tabular data, not a full component definition. XML is used in some Salesforce metadata contexts, but DataPacks for OmniStudio deployment are not typically represented as XML component files. Therefore, JSON is the correct deployment metadata format.

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The correct tool is the Test Data and Parameters panel in the FlexCard Designer. The requirement is specifically to test the FlexCard directly in its designer with different JSON inputs before deployment. The OmniScript Test Console is for OmniScript logic, not FlexCard data rendering. IDX Workbench is a migration/deployment tool, not the FlexCard’s built-in data-testing panel. A Data Mapper Turbo Extract preview only tests the Data Mapper query output; it does not validate how the FlexCard processes different JSON structures and renders states, fields, or conditional elements. Salesforce documentation for FlexCard testing describes adding test parameters in the FlexCard Designer and previewing/debugging the card using those values, which directly supports option C.

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Invoke Mode Non-Blocking is the correct choice because the OmniScript still needs the Integration Procedure response, but the user interface should not be blocked while waiting. Salesforce describes Non-Blocking as running asynchronously while applying the response to the UI. Fire and Forget is different: it is used when the caller does not need a response returned to the OmniScript. Use Future is also asynchronous, but it is best when completion timing is not critical and no response is required. Toast Completion only controls a user notification style; it does not determine whether the OmniScript waits for the Integration Procedure response. Since the response must still come back as JSON while the user proceeds, Non-Blocking is the correct feature.

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The best practice is to create a separate child FlexCard for the related-contact display. A child FlexCard gives the team a reusable UI component that can be embedded in other FlexCards without copying layout elements, actions, fields, and styling each time. Duplicating the elements would create maintenance problems because later changes must be repeated everywhere. A global CSS class can standardize appearance, but it does not make the component logic reusable. A Data Mapper can retrieve or transform data, but it is not a display component. Salesforce documentation confirms that FlexCards can be embedded inside other FlexCards and can use either their own data source or the parent FlexCard’s data, which supports modular reuse.

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