<h2>Using decision tables</h2><br/><div style="overflow-x:auto"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head><meta content="text/html; charset=UTF-8" /><meta name="copyright" content="(C) Copyright 2025" /><meta name="DC.rights.owner" content="(C) Copyright 2025" /><meta name="generator" content="DITA-OT" /><meta name="DC.type" content="concept" /><meta name="DC.title" content="Using decision tables" /><meta name="abstract" content="Using decision tables in Workflow Studio, you can create, modify, test, and update decision tables for use in your workflows and applications. You can also create decision tables in Workflow Studio and then modify them in Excel." /><meta name="description" content="Using decision tables in Workflow Studio, you can create, modify, test, and update decision tables for use in your workflows and applications. You can also create decision tables in Workflow Studio and then modify them in Excel." /><meta name="DC.relation" scheme="URI" content="../../../administer/workflow-studio/reference/building-workflow-studio-components.html" /><meta name="DC.relation" scheme="URI" content="../../../administer/build-workflows/concept/build-workflows.html" /><meta name="DC.relation" scheme="URI" content="../../../administer/workflow-studio/reference/workflow-studio.html" /><meta name="DC.relation" scheme="URI" content="../../../administer/decision-table/task/create-decision-table-in-decision-designer.html" /><meta name="DC.relation" scheme="URI" content="../../../administer/decision-table/task/duplicate-decision-table.html" /><meta name="DC.relation" scheme="URI" content="../../../administer/decision-table/task/edit-decision-tables-using-draft-authoring.html" /><meta name="DC.relation" scheme="URI" content="../../../administer/decision-table/concept/format-decision-table-in-decision-designer.html" /><meta name="DC.relation" scheme="URI" content="../../../administer/decision-table/concept/modify-decision-table-rules.html" /><meta name="DC.relation" scheme="URI" content="../../../administer/decision-table/concept/use-decision-tables.html" /><meta name="DC.relation" scheme="URI" content="../../../administer/decision-table/concept/manage-decision-tables-ms-excel.html" /><meta name="DC.relation" scheme="URI" content="../../../administer/decision-table/task/view-related-objects-decision-table.html" /><meta name="DC.relation" scheme="URI" content="../../../administer/decision-table/task/test-decision-table-in-decision-builder.html" /><meta name="DC.relation" scheme="URI" content="../../../administer/decision-table/task/create-decision-table-code-snippets.html" /><meta name="DC.relation" scheme="URI" content="../../../administer/decision-table/concept/adjust-unsupported.html" /><meta name="DC.relation" scheme="URI" content="../../../administer/decision-table/task/delete-a-decision-table.html" /><meta name="DC.creator" content="ServiceNow" /><meta name="DC.date.created" content="2023-08-23T13:58:00-05:00" /><meta name="DC.date.modified" content="2024-08-01" /><meta name="page-type" content="app-engine" /><meta name="page-type" content="builder-library" /><meta name="DC.format" content="XHTML" /><meta name="DC.identifier" content="using-decision-builder" /><link rel="stylesheet" type="text/css" href="../../../CSS/commonltr.css" /><title>Using decision tables</title></head><body id="using-decision-builder"> <div class="breadcrumb"><a class="link" href="../../../administer/build-workflows/concept/build-workflows.html" title="Transform manual tasks and mundane work into digital workflows. Modernize legacy processes with hyperautomation. Enable citizen automation from one platform.">Build workflows</a> > <a class="link" href="../../../administer/workflow-studio/reference/workflow-studio.html" title="Consolidate workflow authoring, configuring, and monitoring into a single page experience. Create and manage playbooks, flows, actions, decision tables, and integrations from one design environment.">Workflow Studio</a> > </div> <h1 class="title topictitle1" id="ariaid-title1">Using decision tables</h1> <div class="body conbody"><p class="shortdesc">Using decision tables in <span class="ph">Workflow Studio</span>, you can create, modify, test, and update decision tables for use in your workflows and applications. You can also create decision tables in <span class="ph">Workflow Studio</span> and then modify them in Excel.</p> </div> <div class="related-links"> <ul class="ullinks"><li class="link ulchildlink"><strong><a href="../../../administer/decision-table/task/create-decision-table-in-decision-designer.html">Create decision tables in Workflow Studio</a></strong><br /> Create decision tables in <span class="ph">Workflow Studio</span> to embed business logic into a series of if-then decision rules. Use decision tables when business logic is complex or may be reused in multiple places.</li><li class="link ulchildlink"><strong><a href="../../../administer/decision-table/task/duplicate-decision-table.html">Duplicate a decision table</a></strong><br /> Save time creating similar decision tables by duplicating existing tables in <span class="ph">Workflow Studio</span>.</li><li class="link ulchildlink"><strong><a href="../../../administer/decision-table/task/edit-decision-tables-using-draft-authoring.html">Edit decision tables using draft authoring</a></strong><br /> Edit published decision tables in <span class="ph">Workflow Studio</span> when draft authoring is enabled. Without draft authoring enabled, decision tables are active and available to use as soon as they're created.</li><li class="link ulchildlink"><strong><a href="../../../administer/decision-table/concept/format-decision-table-in-decision-designer.html">Modify decision table structure in Workflow Studio</a></strong><br /> Evolve with your business logic by modifying the inputs or columns of your decision table in <span class="ph">Workflow Studio</span>.</li><li class="link ulchildlink"><strong><a href="../../../administer/decision-table/concept/modify-decision-table-rules.html">Modify decision table rules in Workflow Studio</a></strong><br /> Evolve with your business logic by modifying the rows, default result values, or content of your decision table in <span class="ph">Workflow Studio</span>.</li><li class="link ulchildlink"><strong><a href="../../../administer/decision-table/concept/use-decision-tables.html">Use decision tables</a></strong><br /> Decision tables built in <span class="ph">Workflow Studio</span> are executed in flows with flow logic or in scripts with API calls.</li><li class="link ulchildlink"><strong><a href="../../../administer/decision-table/concept/manage-decision-tables-ms-excel.html">Manage decision tables in Excel</a></strong><br /> If you have large decision tables to build or want to enhance decision tables outside of the <span class="ph">ServiceNow AI Platform</span>, manage them in Excel. Export a decision table to an Excel file, edit the downloaded file to add and edit rows, and then import the file back into <span class="ph">Workflow Studio</span>.</li><li class="link ulchildlink"><strong><a href="../../../administer/decision-table/task/view-related-objects-decision-table.html">View related objects in a decision table</a></strong><br /> See and open objects that are related to your decision table, such as flows, subflows,<span class="ph"> and playbooks</span>.</li><li class="link ulchildlink"><strong><a href="../../../administer/decision-table/task/test-decision-table-in-decision-builder.html">Test a decision table in Workflow Studio</a></strong><br /> Test your decision table in <span class="ph">Workflow Studio</span> before publishing to make sure the rules provide the desired outcome for a given set of input data.</li><li class="link ulchildlink"><strong><a href="../../../administer/decision-table/task/create-decision-table-code-snippets.html">Create decision table code snippets</a></strong><br /> Create code snippets of published decision tables in <span class="ph">Workflow Studio</span> to execute the decision table from any script and make it easier to replace hard-coded logic with decisions.</li><li class="link ulchildlink"><strong><a href="../../../administer/decision-table/concept/adjust-unsupported.html">Modify decision tables created in the classic environment and decisions with complex logic</a></strong><br /> <span class="ph">Workflow Studio</span> supports decision tables that were created in the classic environment. However, some data types and conditions from the classic environment are not fully supported in <span class="ph">Workflow Studio</span>. For unsupported field types and decisions with complex conditional logic, use decision rule view to modify these condition expressions.</li><li class="link ulchildlink"><strong><a href="../../../administer/decision-table/task/delete-a-decision-table.html">Delete a decision table</a></strong><br /> Delete decision tables that you no longer need from the list of decision tables in <span class="ph">Workflow Studio</span>.</li></ul> <div class="familylinks"> <div class="parentlink"><strong>Parent Topic:</strong> <a class="link" href="../../../administer/workflow-studio/reference/building-workflow-studio-components.html" title="Create a Workflow Studio component to automate a workflow.">Using Workflow Studio</a></div> </div> </div></body></html></div>