IssueLandTitleFlow_JSON.java

@InitiatingFlow
@StartableByRPC
public class IssueLandTitleFlow implements Flow<SignedTransactionDigest>{
  
    @JsonConstructor
    public IssueLandTitleFlow(RpcStartFlowRequestParameters params) {
        this.params = params;
    }
  
    @CordaInject
    private JsonMarshallingService jsonMarshallingService;
  
    // Inject More Services Here
    
    @Override
    @Suspendable
    public SignedTransactionDigest call() {
      
        Map<String, String> parametersMap = jsonMarshallingService.parseJson(params.getParametersInJson(), Map.class);
        String owner = parametersMap.get("owner") ;
        // Get Other Parameters from the map.
          
       // Flow code logic here
      
      
    }
}