--- generated_by: surveylegend-page-markdown title: Survey Logic User Guide | SurveyLegend description: This user guide introduces SurveyLegend logic flows and links to instructions for creating rules, conditions, and consequences. canonical: https://www.surveylegend.com/user-guide/survey-logic/ --- How can we help? Search our guides, features and best practices. Search User Guide articles Popular searches ![SurveyLegend mascot helping a new user learn how the online survey tool works](https://www.surveylegend.com/user-guide-media/hero/surveylegend-user-guide-help-mascot.avif) # Survey Logics | How to design intelligent surveys By implementing logic flows into your surveys, forms, or questionnaires, you can create smart surveys that intelligently react to respondents answers. Every type of answer can trigger a different consequence. You can even make an advanced logic flow that has several rules, and performs multiple actions. Our logic flows are powerful. Read these user guides to learn about your legendary powers. - [What is a survey logic flow Learn what logic flows are, and how you can use them to create smarter surveys. Survey Logic | Logic Flows](https://www.surveylegend.com/user-guide/survey-logic-flow/) - [Enabling survey logics Learn where you find this feature, and how you can activate it. Activate Logics | Enable logics](https://www.surveylegend.com/user-guide/enabling-survey-logics/) - [Adding new logic flows A questionnaire may need multiple logic flows; and there are two simple ways to add several logic flows into your survey. Add logic flows | New logic flows](https://www.surveylegend.com/user-guide/adding-new-logic-flow/) - [Adding rules to logic flows A logic flow can have one or several rules, and each rule contains conditions that may vary depending on question type. IFs | Rules](https://www.surveylegend.com/user-guide/adding-rules-to-logic-flows/) - [Multiple rules in one logic flow Sometimes you have to design a logic flow which contains multiple rules. This helps creating advanced survey logics. Multiple rules | Advanced logics](https://www.surveylegend.com/user-guide/adding-multiple-rules-inside-one-logic-flow/) - [Adding conditions to sub-questions Some question types can be a combination of several sub-questions. Therefore you need conditions for sub-questions too. Sub-questions conditions](https://www.surveylegend.com/user-guide/adding-conditions-to-sub-questions/) - [Adding consequences to a survey logic flow After adding rules to a logic flow, you need to define the consequences that should happen as a result. Logic consequence | Logic action](https://www.surveylegend.com/user-guide/adding-consequences-to-logic-flow/) - [Adding multiple consequences to a logic flow A logic flow can have several consequences when the rule requirements are met. Run multiple consequences | Perform several actions](https://www.surveylegend.com/user-guide/adding-multiple-consequences-to-a-logic-flow/) - [Renaming & finding logic flows A professionally designed survey might include many logic flows. We made it easy to rename and find survey logic flows individually. Rename | Find | Search](https://www.surveylegend.com/user-guide/renaming-and-finding-logic-flows/) - [Deleting a logic flow, rule, or consequence Any part of a logic flow can be removed if needed. Delete | Remove](https://www.surveylegend.com/user-guide/deleting-logic-flow-rule-or-consequence/) - [Survey Logic Best Practices How to create survey logic flows more efficiently. Tips](https://www.surveylegend.com/user-guide/creating-survey-logic-flows-efficiently/) ## More great survey features from SurveyLegend - [Guide to Success With a well written, illustrated and easy to understand user guide, we make sure you find all the information you need. User Guide | Help](https://www.surveylegend.com/user-guide/) - [Visual & Engaging Create eye-catching visual questionnaires, ask questions using images, get feedback for your pictures. Image-based surveys](https://www.surveylegend.com/image-based-surveys-forms-polls-questionnaires/) - [Net Promoter Score Ask the ultimate question, and improve your business like never before! NPS | Customer Loyalty | Brand Loyalty](https://www.surveylegend.com/net-promoter-score-nps-surveys/) - [Right-to-Left Support We include everyone in the joy of getting insight. RTL | Language](https://www.surveylegend.com/right-to-left-supported-survey-form-poll-questionnaire/)