var pId=random('Aa0', 6);
db.collection('test').updateOne({ F_id : req.params.F_id },{ $push : { "mainCourse.$[i].subCourse.$[j].ppt" :

{ pageid : pId , pagelink : link+'/ppt/'+fileName }

} } ,{ arrayFilters : [

{ 'i.id' : req.params.MC_id }

, { "j.id" : req.params.SC_id } ]}, (e,r)=>{
if(e)

{ return res.send(\{Error :'Y' , msg :'Here Database Error '+e}

);
}
return res.send({Error :'N' , msg :'PPT Added Successfully'});
});
 
i need to push data in ppt  see in ScreenShot
 
i am getting Error like this :
 
MongoError: No array filter found for identifier 'i' in path 'mainCourse.$[i].subCourse.$[j].ppt'
 
or Any other way to push data in ppt please give suggestion