diff --git a/lib/variable_uploader/dsl.rb b/lib/variable_uploader/dsl.rb
index e6d2a50..f1b66df 100644
--- a/lib/variable_uploader/dsl.rb
+++ b/lib/variable_uploader/dsl.rb
@@ -37,7 +37,7 @@ def update_variable(options={})
           raise "Specify file name or values" if (options[:values].nil? && options[:file].nil?)
           raise "Variable needs to be defined" if options[:variable].nil?
 
-          @steps << VariableStep.new(options[:file], options[:variable], options[:label])
+          @steps << VariableStep.new(options[:file], options[:variable], options[:label], options)
         end
 
         def update_users(options={})
diff --git a/lib/variable_uploader/variable_upload_step.rb b/lib/variable_uploader/variable_upload_step.rb
index 165c067..d9a25a6 100644
--- a/lib/variable_uploader/variable_upload_step.rb
+++ b/lib/variable_uploader/variable_upload_step.rb
@@ -10,10 +10,11 @@ class VariableStep < Step
 
       attr_reader :variable_uri, :filename, :display_form_uri, :logger
 
-      def initialize(filename, variable_uri, label_uri)
+      def initialize(filename, variable_uri, label_uri, options={})
         @filename = filename
         @variable_uri = variable_uri
         @display_form_uri = label_uri
+        @users_data = options[:users_data]
       end
 
       def run(logger_param, project)
@@ -108,7 +109,8 @@ def create_expressions_for_update(users_lookup, elements_lookup)
   
       def create_users_lookup(project)
         users_lookup = {}
-        GoodData.get("#{project.uri}/users")["users"].each do |user|
+        data = @users_data.nil?() ? GoodData.get("#{project.uri}/users") : @users_data
+        data["users"].each do |user|
           user = user["user"]
           users_lookup[user["content"]["email"]] = user["links"]["self"]
         end