Sitecore WFFM Checkbox With HTML field

CheckboxWithHtml.cs

using Sitecore.Form.Core.Attributes;
using Sitecore.Form.Core.Visual;

namespace MyProject.CMS.Custom.WFFM.Fields
{
    public class CheckboxWithHtml : Sitecore.Form.Web.UI.Controls.Checkbox
    {
        private string _htmlText;
        
        [VisualCategory("Appearance")]
        [VisualProperty("Field Text (HTML):", 400)]
        [VisualFieldType(typeof(TextAreaField))]
        [Localize]
        public string HtmlText
        {
            get {
                return !string.IsNullOrEmpty(_htmlText) ? _htmlText : base.Title;
            }
            set
            {
                _htmlText = value;
            }
        }
    }
}

CheckboxWithHtmlField.cs

using Sitecore.Forms.Mvc.ViewModels.Fields;

namespace MyProject.CMS.Custom.WFFM.Fields
{
	public class CheckboxWithHtmlField : CheckboxField
	{
		public string HtmlText { get; set; }
		
		public string Text
		{
			get
			{
				return !string.IsNullOrEmpty(HtmlText) ? HtmlText : base.Title;
			}
			set
			{
				HtmlText = value;
			}
		}
	}
}

CheckboxWithHtmlField.cshtml

@using Sitecore.WFFM.Abstractions.Data.Enums
@using Sitecore.Forms.Mvc.Html
@model MyProject.CMS.Custom.WFFM.Fields.CheckboxWithHtmlField

@using (Html.BeginField())
{
	var cssclass = Model.FormType == FormType.Inline ? "checkbox-inline" : "checkbox";
	<div class="@cssclass">
		<label>
			@Html.CheckBoxFor(x => Model.Value)
			@Html.BootstrapText("Text")
		</label>
	</div>
}

Create Field.md

Create WFFM field in Sitecore under /sitecore/system/Modules/Web Forms for Marketers/Settings/Field Types. For example:

• Item Path: /sitecore/system/Modules/Web Forms for Marketers/Settings/Field Types/Custom/Checkbox with HTML Text
• Template: /sitecore/templates/Web Forms for Marketers/Field Type
• Assembly: MyProject.CMS.Custom
• Class: MyProject.CMS.Custom.WFFM.Fields.CheckboxWithHtml
• MVC Type: MyProject.CMS.Custom.WFFM.Fields.CheckboxWithHtmlField, MyProject.CMS.Custom