public async Task <dynamic> FindItemsWhereAsync(string collectionId, string propertyName, string value) { EnsureParametersAreNotNullOrEmpty(collectionId, propertyName); var query = string.Empty; if (string.IsNullOrWhiteSpace(value)) { query = $"SELECT * FROM c WHERE c.{propertyName}=[]"; } else { query = $"SELECT * FROM c WHERE c.{propertyName}='{value}'"; } return(await backendDatabaseService.QueryItemsAsync(collectionId, query)); }