diff --git a/src/index.test.ts b/src/index.test.ts
index 367f8b7..3282907 100644
--- a/src/index.test.ts
+++ b/src/index.test.ts
@@ -63,6 +63,16 @@ describe("getMetricValue", () => {
     expect(getMetricValue("test", true)).toEqual(500);
     expect(getMetricValue("test", true, [0, 10], 2)).toEqual(5);
   });
+
+  it("returns noDataValue when no value is found", () => {
+    expect(getMetricValue("nonExistentName")).toBe(null);
+    expect(
+      getMetricValue("nonExistentName", false, [0, 100], 2, "something")
+    ).toBe("something");
+    expect(getMetricValue("minimal", false, [0, 100], 2, "something")).toBe(
+      "something"
+    );
+  });
 });
 
 describe("getShowcaseMetricValue", () => {
diff --git a/src/index.ts b/src/index.ts
index 6ecf0e2..d24e858 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -71,19 +71,20 @@ const getMetricValueByName = (
  * @param showcase - Decides if values are randomly generated.
  * @param range - Range of values to return.
  * @param decimals - Amount of decimals returned.
- * @param noDataValue - Returns null if no data is found.
+ * @param noDataValue - Return value when no data is found.
  */
 function getMetricValue(
   metric: string,
   showcase = false,
   range?: Array<number>,
-  decimals?: number
+  decimals?: number,
+  noDataValue: unknown = null
 ): unknown {
   if (showcase) {
     return getShowcaseMetricValue({ range, decimals });
   }
 
-  return getMetricValueByName(metric);
+  return getMetricValueByName(metric, { noDataValue });
 }
 
 export { getMetricValue, getMetricValueByName, getShowcaseMetricValue };