Custom native widget creation

We are trying to create our custom calendar widget for native mobile application. We are using this react native component. So on click of event for calendar events we have to call nanoflow which is on mendix side. That nanoflow has parameter which is domain entity. There is also one another nanoflow which expects date as parameter. How can we achieve this? In action property type didn't found any ways to do this. If you give any sample project link it will be really helpful. 
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