diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..c57bab1
Binary files /dev/null and b/.DS_Store differ
diff --git a/README.md b/README.md
index 4d2963e..1818435 100644
--- a/README.md
+++ b/README.md
@@ -77,6 +77,7 @@ Also check out the three examples files: the [simple example](examples/Simple.js
 * `flatlistProps` (optional): additional props for the [FlatList](https://facebook.github.io/react-native/docs/flatlist.html) which holds all the pages.
 * `transitionAnimationDuration` (optional): The duration in milliseconds for the animation of the background color for the page transition. Defaults to `500`.
 * `allowFontScaling` (optional): Font scaling can cause troubles with high-resolution screens. You may want to disable it. Defaults to `true`.
+* `givePageIndex` (optional): a function that receives the page `index` as a parameter.
 
 ## Custom Components Properties
 
diff --git a/src/index.js b/src/index.js
index abf9a84..f848b1c 100755
--- a/src/index.js
+++ b/src/index.js
@@ -47,6 +47,7 @@ class Onboarding extends Component {
       return;
 
     this.setState(state => {
+      this.props.givePageIndex(viewableItems[0].index);
       return {
         previousPage: state.currentPage,
         currentPage: viewableItems[0].index,
@@ -109,6 +110,7 @@ class Onboarding extends Component {
       DotComponent,
       flatlistProps,
       skipToPage,
+      givePageIndex,
     } = this.props;
     const currentPage = pages[this.state.currentPage];
     const currentBackgroundColor = currentPage.backgroundColor;
@@ -231,6 +233,7 @@ Onboarding.propTypes = {
   subTitleStyles: Text.propTypes.style,
   transitionAnimationDuration: PropTypes.number,
   skipToPage: PropTypes.number,
+  givePageIndex: PropTypes.func,
 };
 
 Onboarding.defaultProps = {
@@ -255,6 +258,7 @@ Onboarding.defaultProps = {
   subTitleStyles: null,
   transitionAnimationDuration: 500,
   skipToPage: null,
+  givePageIndex: null,
 };
 
 const styles = {