There're two ways to pass parameters, either in javascript or in embeded url.
Check below link.
Passing parameters to Power BI filter programmatically
The "oDataFilter: "Store/PostalCode eq '15012'"" in above link is actually in below pattern.
oDataFilter: "<table>/<column> eq '<filtervalue>'"
One thing important is that <table>/<column> is case-sensitive. Make sure you've specified the correct names.