Add Slider

Audience: Low-code Engineers

Skill Prerequisites: Forms, Tokens

Adds a horizontal slider for choosing a number to a Dynamic Field Container when the form loads. It works like a Slider field placed in the form builder.

See Dynamic Fields for how dynamic fields work and how to set up the container.

Typical Use Cases

• Collect a rating for each item in a list, for example 1 to 10
• Let users choose a percentage or an amount within a range

Don't use it to

• Collect exact numbers that are easier to type. Use Add Number Input instead.

Related Actions

Action Name	Description
Add Number Input	Adds a number input.

Input Parameter Reference

This action has the common parameters, except Secure Input and the custom validators. Readonly is shown but has no effect. It also has:

Parameter	Description	Supports Tokens	Default	Required
Min Value	The lowest value on the slider.	Yes	empty string	No
Max Value	The highest value on the slider.	Yes	empty string	No
Step Value	How much the value changes with each step, for example 1 or 5.	Yes	empty string	No
Start Text	A label shown at the start of the slider, for example Poor.	Yes	empty string	No
End Text	A label shown at the end of the slider, for example Excellent.	Yes	empty string	No
Display Tool Tip	Enter true to show the selected value in a tooltip while dragging.	Yes	empty string	No
Help Text	Help text shown below the slider.	Yes	empty string	No

Output Parameters Reference

Parameter	Description
Field ID Token Name	Optional. Token that receives the cleaned field ID. If empty, the ID is saved in [<FieldId>:Name].

When the form is submitted, the selected number is available in [<FieldId>]. If the user didn't move the slider and there's no initial value, the value is Min Value.

Examples

tip

To understand how to use the below examples, please see Running Examples.

1. Add a 1 to 10 rating

Add this action to the form's On PreInit or On Init actions. It adds a rating slider from 1 to 10 to the ExtraFields container, starting at 5.

{
    "Title": "Add Slider",
    "ActionType": "AddDynamicSlider",
    "Description": "Add the satisfaction rating",
    "Condition": null,
    "Parameters": {
        "ContainerId": "ExtraFields",
        "FieldId": "Satisfaction",
        "FieldName": "How satisfied are you?",
        "InitialValue": "5",
        "MinValue": "1",
        "MaxValue": "10",
        "StepValue": "1",
        "StartText": "Not at all",
        "EndText": "Very",
        "DisplayToolTip": "true",
        "HelpText": "",
        "FieldIdTokenName": ""
    }
}

Revised 09/25/2026