<aura:event type="APPLICATION" description="report is clicked">
    <aura:attribute name="report" type="Report"/>
</aura:event>

<aura:component implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,forceCommunity:availableForAllPageTypes,force:lightningQuickAction">

    <aura:attribute name="report" type="Report"/>
    {!v.joinedreport.Name}

</aura:component>

({
    showReport : function(component, event, helper) {
        var report = component.get("v.report");
        var rLoadEvent = $A.get("e.LIGHTNINGREPORT:reportLoadEvent");
        rLoadEvent.setParams({"report": report});
        rLoadEvent.fire();
    }
})