public List<PSADCredential> GetSpCredentials(string spObjectId)
{
List<PSADCredential> CredentialList = new List<PSADCredential>();
var keyCredsList = GetSpKeyCredentials(spObjectId);
CredentialList.AddRange(keyCredsList.Select(kc => kc.ToPSADCredential()));
var passwordCredsList = GetSpPasswordCredentials(spObjectId);
CredentialList.AddRange(passwordCredsList.Select(pc => pc.ToPSADCredential()));
return CredentialList;
}