SitecoreCustomRule

using Sitecore.Analytics;
using Sitecore.Analytics.XConnect.Facets;
using Sitecore.Diagnostics;
using Sitecore.Rules;
using Sitecore.Rules.Conditions;
using Sitecore.XConnect;
using Sitecore.Xdb.Configuration;
using System.Collections.Generic;
using System.Linq;

namespace XXXX.Foundation.XConnect.Rules
{
    public class SalesforceCustomCampaign<T> : StringOperatorCondition<T> where T : RuleContext
    {
        public string CampaignValue { get; set; }
        protected override bool Execute(T ruleContext)
        {
            Assert.ArgumentNotNull(ruleContext, "ruleContext");
            Log.Info($"[SalesforceCustomCampaignRule] EvaluatingRule", this);

           /*Add your custom logic to return true if the rule is satisfied and false if it is not
           eg. check cookies, querystring or any other fancy code you need...
           */
		   return false;
            
        }
    }
}