Am looking for graphql Query exlcude the NULL values from the Github Get call from postman

My question: Am looking for Graphql Query to get all the user details from Github and exclude the null values in the github, currently i have the query to get the user details but it is also giving all the NULL values but i want to exclude the NULL values in the Query which am passing from postman please help

I’ve already tried:
{

organization(login: “Orgname”)

{

samlIdentityProvider {

  externalIdentities(first: 10) {

    totalCount

    edges {

      node {

        guid 

        samlIdentity 

         {

          nameId 

          username

        }

        user {

          login

          name

          email

          organization(login: "Orgname"){

              databaseId

          }

          organizationVerifiedDomainEmails(login: "orgname")

        }

      }

    }

    pageInfo {

      endCursor

      startCursor

      hasNextPage

    }

  }

}

}

}