//Start: setNewPasswordForAdmin
    setNewPasswordForAdmin(username: string, password: string) {

        //Start: Creating new user with username and pool data
        const adminUserdata = {
            Username: username,
            Pool: userpoolAdmin
        }
        const adminuser = new CognitoUser(adminUserdata);
        //End: Creating new user with username and pool data


        //create attributelist array which will contain all the attributes requried for signing in
        //these attributes are those attributes, which are selected while creating user pool on aws
        const attributeList : CognitoUserAttribute[] = [];

        //form a json object containing Name and Value of attribute used
        const usernameattribute = {
            Name:'username',
            Value: username
        }

        //Push list of attributes in the attributeList array
        attributeList.push(new CognitoUserAttribute(usernameattribute));
        console.log(attributeList);
        const that = this;

        adminuser.completeNewPasswordChallenge(password, attributeList ,{
            onFailure(err){

                console.log(err);
            },
            onSuccess(result){
                console.log(":::::::: Password change successfull ");

                that.router.navigate(['']);
            }
        });
    }
    //End: setNewPasswordForAdmin