useHttp;publicfunctiongenerateCouponCode(Request $request, $user_id) {// Check whether this user id has got a coupon before.// If yes, return with no actions.// If not, generate a new coupon code and set it as the// param of the user $headers = ['APIKEY'=>"*API KEY of your bot*" ];// Call Bothub API to set coupon code asHttp::post('https://api.bothub.ai/api',['recipient'=> ['id'=> $user_id, ],'settings'=> ['params'=> [ ['key'=>'coupon_code','value'=>1, ] ] ],'request'=> ['method'=>'set_params','id'=>'*unique request id*','meta'=>'', ] ],5, $headers);returnresponse()->json(); }