Branching & Conditional Logic Guide
123FormBuilder is a free form builder with conditional logic functionality, allowing its users to change the behavior of their web forms based on the input provided by their respondents.
With conditional logic you can change the behavior of your form based on user input and make your online forms more dynamic. At 123FormBuilder you can create complex and advanced rules that affect the behavior of your online forms. There are three types of rules you can create:
- Field Rules
- Autoresponder Rules
- Form Rules
All of the three types of rules are located in the Form Settings – Rules section of your form, under separated tabs.
Field Rules affect the behavior of your online form while it is being used. Here you can show or hide certain fields based on the input given by your submitters. These type of rules are applied in real-time, while the end users fill in the the online form.
Autoresponder Rules trigger a specific autoresponder when one or more conditions are met. These type of rules apply after the end user submitted the form.
Form Rules redirect end users to a certain web page that you have provided when some specific conditions are met. For example: You can use this option to redirect users to a different version of your website depending on the language they have selected on the form. Form rules apply after the form is submitted.
Important If you have your form integrated with a payment processor, the form rule redirect has propriety over the redirect to the payment page. You can use this as a workaround to make online payments optional.
Besides form fields, you can also include the language field (if using translations) and the quiz score (for quiz forms) in any type of rule.
Important: Separate rules that use the same field will not work on the form. After the condition Then you can not select the same fields in two separate rules. This is due to a conflict issue. We recommend you create advanced rules with several conditions and subrules in the same rule, if needed.
To create a rule, click on the Add Rule button and a line will be displayed below. Use the first dropdown to select the field, the second to select the operator and the last field to conclude the condition. For input fields, you need to type a value. For choice fields such as radio buttons or check boxes, you have a dropdown with the predefined values is checked and is not checked.
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The grey plus button on the right creates a new condition that is linked to the previous one through connectors. Conditions from the same rule are linked either with the connector AND or OR. The grey button will appear next to the last condition of each rule or subrule.
If you want to edit a condition from your rule, hover over it and press the button Edit or Delete if you want to delete it completely. Next to these buttons you’ll find the Subrule button that creates a subrule within the respective condition.
If you want to delete a subrule, hover on top of the condition and select the Delete button.
To delete a rule, hover over the layout of the rule and tick the checkbox on the top right. Press Delete on top to delete it or Duplicate to make a copy of the rule. You can select several rules and delete or duplicate them at the same time. Use the Unselect rules button to clear all selections.
Use the search bar to find the rule you are after. Finally, use the Preview Form button to see how your rules apply to your online form.
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Frequently Asked Questions
Here is a list of the most frequently asked questions. For more FAQs, please browse through the FAQs page.
I am using the Rules to display some fields based on if a selection is chosen. For example:
Check box A -> show field 1
Check box B -> show field 2
The check boxes are single choice fields such that only one or the other can be chosen, not both. Rules are set to show field 1 when check box A is selected and hide field 2, and to show field 2 when check bo B is selected and hide field 1.
However, if I select Check box A and enter a value in field 1, then I select Check box B and enter a value in field 2, the value in field 1 is not erased. This causes the form to have values for both field 1 and field 2. I need it to clear field 1 if check box B is selected, and likewise clear field 2 if check box A is selected. I do not see any Rule options to reset values in specific fields, only to show or hide fields.
Without resetting all fields on the form, how do I get this to work as I want?
Hi again Tom, this is normal behaviour. Field rules are only showing/hiding fields on the form and will not erase previous selections or data inputted. I hope the above answers your question. Have a great day!
Can I make a field required using a field rule? For example if OTHER is selected, require that a description is entered before the submit button.
thanks!
Hi there! The rule itself can not change a field’s setting. However, first you can set a field required and after that establish the field rule. When the condition is met on the form (OTHER is selected) your required field will show on the form. Form users will have to type in that required field only when the rule shows that particular field. In other words, only required fields that are visible to you, as the person filling out the form, have to be completed. If they are hidden by rules, they work as normal fields.
Is there a maximum capacity of conditions in one rule?
I am currently using 120 conditions (in one rule) controlling the visibility of the Submit button and the rule stopped working.
Hi Andy, no, there is no maximum capacity established. Genuinely, we recommend using fewer sub-rules as possible and using more separate main rules. I could not find the form you mentioned to check your rule. Could you please email us at customercare@123formbuilder.com with the form to be able to check it out? Thank you.
Is it possible to use prefill email address depends on the name entered? i.e searching from an database and displays matching email address ?
Hello! Yes, starting with our enterprise plan we have a feature called: Virtual Database and Dynamic prefill. This will allow you to connect your forms with an external database and prefill the form fields with the user’s information. Here is our demo form: https://www.123formbuilder.com/form-3143286/Prefill-Preview.
Hi
Is it possible to use conditional logic to route form replies to different email addresses depending on the answers?
Hello! Yes, it is possible. You can establish conditional logic to the form’s recipients. To do so, please go to Settings – Notifications – Form Owner tab – Recipients – New recipient and after When you can add the condition(s) when to send the emails.
Is it possible to use form rules to link a few 123forms to each other? ie: are the your forms’ URLs static? (In fact: are the URLs anything I can select/specify?)
Hello Rachel,
I apologize for replying this late. Regarding your questions – yes, it is possible. When previewing your form, you can copy the URL that shows up in the browser and use that URL in any of your form rules at other forms. You can create form rules where form users are redirected to different forms based on certain conditions. If you require further assistance, please don’t hesitate to contact our support specialists at: http://www.123formbuilder.com/contactus.html
Rules Not working
Hello!
Please contact our Support Team at support@123formbuilder.com or via our contact form and provide more details on the issues you have encountered. Also, specify the browser, device and operating system you are using.
Thanks!