I'm using sitecore 9.1.1

I'm trying to get contact who's first name is "myfirstnametest" but I'm getting count zero in result for contacts even I have record with this contact facet.

using (Sitecore.XConnect.Client.XConnectClient client = Sitecore.XConnect.Client.Configuration.SitecoreXConnectClientConfiguration.GetClient())
var results3 = client.Contacts.Where(c => c.GetFacet<PersonalInformation>().FirstName == "myfirstnametest").GetBatchEnumerator();

2 Answers 2


Like Raman said, you need to make sure you are index PII information before it can show up.

Also you query should be like this

client.Contacts.Where(x => x.Personal().FirstName == "Tommy")
  .WithExpandOptions(new ContactExpandOptions(PersonalInformation.DefaultFacetKey))

The Experience Profile and List Manager interfaces rely on personal data being available in the xDB index. As the FirstName facet is marked as [PIISensitive], you will not be able to use it by default.

To use contact facets marked [PIISensitive] in the custom predicate, please enable indexing of PII sensitive data in the xDB index.

I am able to see the segmented list based on FirstName after I enabled the indexing of PII sensitive data in the xDB index.

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