# Custom Plugin for Native IOS SDK

**URL:** <https://forum.ionicframework.com/t/custom-plugin-for-native-ios-sdk/160454>\
**Category:** cordova\
**Created:** [April 1, 2019, 5:38am UTC](https://forum.ionicframework.com/t/custom-plugin-for-native-ios-sdk/160454 "2019-04-01T05:38:14Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![saravanan109587](https://sea1.discourse-cdn.com/ionicframework/user_avatar/forum.ionicframework.com/saravanan109587/32/124994_2.png) [@saravanan109587](https://forum.ionicframework.com/u/saravanan109587)\
**Post date:** [April 1, 2019, 5:38am UTC](https://forum.ionicframework.com/t/custom-plugin-for-native-ios-sdk/160454/1 "2019-04-01T05:38:14Z")

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HI ,  
I am trying create custom cordova plugin for IOS Sdk “[https://developer.vantiv.com/docs/DOC-1915](https://developer.vantiv.com/docs/DOC-1915)”.  
before that i hava tried to call existing hellow world plugin using ionic 4 app,but it throw me an error like

 ![Ionic1](https://global.discourse-cdn.com/ionicframework/original/3X/4/d/4d22673999ec9e50e818b979f5f6e802a276ff27.jpeg)  
my project is here “[https://github.com/Saravanan109587/TriPosConsumer](https://github.com/Saravanan109587/TriPosConsumer)” ![ionic2](https://global.discourse-cdn.com/ionicframework/original/3X/1/c/1c3464c149056a6dec32ad085547cb3538bede2f.jpeg)  
i have searched a lot but i could not able to find proper way to call custom plugin in Ionic 4 app.  
can anyone help me??