How to pass parameters in embedded Power BI paginated report?

I'm using the Power BI Angular library to embed a paginated report with no problems, as defined in https://github.com/microsoft/PowerBI-client-angular

<powerbi-paginated-report
[embedConfig]="embedConfig"
[cssClassName]="'container'">
</powerbi-paginated-report>


Problem happens when I add parameters to the paginated report. I defined Internal parameters without defaults, where the intent is to pass these parameters when the report is embedded/rendered.

I tried two methods, unsuccessfully:

1. 
   Append to the Embed URL string the parameter name and values:
   
   embedUrl = embedUrl + '&rp:fromsk=20&rp:area=A'
2. 
   Define the parameters in the embedded config object:
   
   this.embedConfig = {
   type: 'report',
   accessToken: '**********',
   tokenType: models.TokenType.Embed,
   permissions: models.Permissions.ReadWrite,
   viewMode: models.ViewMode.View,
   settings: {
   parameterValues: [
   { name: "area", value: "ab" },
   { name: "fromsk", value: 20 }
   ]
   }
   };

The problem is that either the parameters are ignored or the page is blank. What method should I use? How to make this work?

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