--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/common/AccessHelper.java	Mon May 14 18:24:35 2018 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/common/AccessHelper.java	Tue May 15 12:00:26 2018 +0200
@@ -37,14 +37,14 @@
     }
 
     /** [year1, years2,..] if its about years. */
-    public int[] getYears(final String yearSelectedValue) {
+    public int[] getYears(final String yearSelectedValue, final String yearKey) {
         int[] years = null;
         // if (years != null) {
         // return years;
         // }
         if (getYearEpoch().equals(yearSelectedValue)) {
             final TIntArrayList ints = new TIntArrayList();
-            final String yearsData = getString("years");
+            final String yearsData = getString(yearKey);
             if (yearsData == null || yearsData.isEmpty()) {
                 log.warn("No years provided");
                 return null;
@@ -69,7 +69,7 @@
         return null;
     }
 
-    public int[][] getEpochs(final String epochSelectedValue) {
+    public int[][] getEpochs(final String epochSelectedValue, final String epochKey) {
         int epochs[][] = null;
         // if (epochs != null) {
         // return epochs;
@@ -79,7 +79,7 @@
             return null;
         }
 
-        final String data = getString("epochs");
+        final String data = getString(epochKey);
 
         if (data == null) {
             log.warn("No 'epochs' parameter specified!");