fetch: function(model, fields, domain, ctx){
            return new instance.web.Model(model).query(fields).filter(domain).context(ctx).all()
        },

Make use of the above fetch function you can fetch data.

Example:

self.fetch('res.users',['name','company_id'],[['id','=',this.session.uid]]).then(function(users){

console.log("This is the User",users);

});