[Skip to main content](#vessel-content) # Undefined property: plgHikashoppaymentExample::$ur ## - **[oby](/forum/user/43072-oby "View oby's Profile")** - [![oby's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/43072-oby "View oby's Profile") Topic Author - [ Offline](/forum/user/43072-oby) Less More - Posts: 4 - Thank you received: 0 - - 10 years 3 months ago [\#245142](#245142) by [oby](/forum/user/43072-oby "View oby's Profile") *[Undefined property: plgHikashoppaymentExample::$ur](/forum/29-payment-methods/885498-undefined-property-plghikashoppaymentexample-ur#245142 "I am developing a payment method using the Example.zip files as guide. Everything works well until I uncommented the following two line: $return_url = HIKASHOP_LIVE.'index.php?option=com_hikashop&ctrl=checkout&task=after_end&order_id='.$order_id.$this->url_itemid; $this->app->redirect($return_url); Then i get this message: Notice: Undefined property: plgHikashoppaymentExample::$url_itemid in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 275 Notice: Undefined property: plgHikashoppaymentExample::$app in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 282 Fatal error: Call to a member function redirect() on null in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 282 How can I clear the error so that I can proceed with the development. Thanks")* was created by *[oby](/forum/user/43072-oby "View oby's Profile")* I am developing a payment method using the Example.zip files as guide. Everything works well until I uncommented the following two line: $return_url = HIKASHOP_LIVE.'index.php?option=com_hikashop&ctrl=checkout&task=after_end&order_id='.$order_id.$this->url_itemid; $this->app->redirect($return_url); Then i get this message: Notice: Undefined property: plgHikashoppaymentExample::$url_itemid in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 275 Notice: Undefined property: plgHikashoppaymentExample::$app in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 282 Fatal error: Call to a member function redirect() on null in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 282 How can I clear the error so that I can proceed with the development. Thanks Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI5LXBheW1lbnQtbWV0aG9kcy84ODU0OTgtdW5kZWZpbmVkLXByb3BlcnR5LXBsZ2hpa2FzaG9wcGF5bWVudGV4YW1wbGUtdXI/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[Jerome](/forum/user/80-jerome "View Jerome's Profile")** - [![Jerome's Avatar](https://www.hikashop.com/media/kunena/avatars/resized/size144/users/avatar80.png)](/forum/user/80-jerome "View Jerome's Profile") - [ Offline](/forum/user/80-jerome) - HikaShop core developer Less More - Posts: 26394 - Thank you received: 4078 - - [](http://obsi.dev) - 10 years 3 months ago [\#245143](#245143) by [Jerome](/forum/user/80-jerome "View Jerome's Profile") Replied by *[Jerome](/forum/user/80-jerome "View Jerome's Profile")* on topic *[Undefined property: plgHikashoppaymentExample::$ur](/forum/29-payment-methods/885498-undefined-property-plghikashoppaymentexample-ur#245143 "I am developing a payment method using the Example.zip files as guide. Everything works well until I uncommented the following two line: $return_url = HIKASHOP_LIVE.'index.php?option=com_hikashop&ctrl=checkout&task=after_end&order_id='.$order_id.$this->url_itemid; $this->app->redirect($return_url); Then i get this message: Notice: Undefined property: plgHikashoppaymentExample::$url_itemid in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 275 Notice: Undefined property: plgHikashoppaymentExample::$app in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 282 Fatal error: Call to a member function redirect() on null in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 282 How can I clear the error so that I can proceed with the development. Thanks")* Hi, If you're not calling the parent functions in order to initialize the variables ; you won't have access to elements likes "$this->payment_params" or "$this->app". Unfortunately, without knowing the code you wrote ; we are not able to gave you more hint on it. Regards, --- Jerome - Obsidev.com HikaMarket & HikaSerial developer / HikaShop core dev team. Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI5LXBheW1lbnQtbWV0aG9kcy84ODU0OTgtdW5kZWZpbmVkLXByb3BlcnR5LXBsZ2hpa2FzaG9wcGF5bWVudGV4YW1wbGUtdXI/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[oby](/forum/user/43072-oby "View oby's Profile")** - [![oby's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/43072-oby "View oby's Profile") Topic Author - [ Offline](/forum/user/43072-oby) Less More - Posts: 4 - Thank you received: 0 - - 10 years 3 months ago [\#245191](#245191) by [oby](/forum/user/43072-oby "View oby's Profile") Replied by *[oby](/forum/user/43072-oby "View oby's Profile")* on topic *[Undefined property: plgHikashoppaymentExample::$ur](/forum/29-payment-methods/885498-undefined-property-plghikashoppaymentexample-ur#245191 "I am developing a payment method using the Example.zip files as guide. Everything works well until I uncommented the following two line: $return_url = HIKASHOP_LIVE.'index.php?option=com_hikashop&ctrl=checkout&task=after_end&order_id='.$order_id.$this->url_itemid; $this->app->redirect($return_url); Then i get this message: Notice: Undefined property: plgHikashoppaymentExample::$url_itemid in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 275 Notice: Undefined property: plgHikashoppaymentExample::$app in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 282 Fatal error: Call to a member function redirect() on null in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 282 How can I clear the error so that I can proceed with the development. Thanks")* Hello, Thank you for the quick response. Attached is the file containing the code. Thank you. *This attachment is hidden for guests. Please log in or register to see it.* Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI5LXBheW1lbnQtbWV0aG9kcy84ODU0OTgtdW5kZWZpbmVkLXByb3BlcnR5LXBsZ2hpa2FzaG9wcGF5bWVudGV4YW1wbGUtdXI/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[Jerome](/forum/user/80-jerome "View Jerome's Profile")** - [![Jerome's Avatar](https://www.hikashop.com/media/kunena/avatars/resized/size144/users/avatar80.png)](/forum/user/80-jerome "View Jerome's Profile") - [ Offline](/forum/user/80-jerome) - HikaShop core developer Less More - Posts: 26394 - Thank you received: 4078 - - [](http://obsi.dev) - 10 years 3 months ago [\#245213](#245213) by [Jerome](/forum/user/80-jerome "View Jerome's Profile") Replied by *[Jerome](/forum/user/80-jerome "View Jerome's Profile")* on topic *[Undefined property: plgHikashoppaymentExample::$ur](/forum/29-payment-methods/885498-undefined-property-plghikashoppaymentexample-ur#245213 "I am developing a payment method using the Example.zip files as guide. Everything works well until I uncommented the following two line: $return_url = HIKASHOP_LIVE.'index.php?option=com_hikashop&ctrl=checkout&task=after_end&order_id='.$order_id.$this->url_itemid; $this->app->redirect($return_url); Then i get this message: Notice: Undefined property: plgHikashoppaymentExample::$url_itemid in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 275 Notice: Undefined property: plgHikashoppaymentExample::$app in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 282 Fatal error: Call to a member function redirect() on null in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 282 How can I clear the error so that I can proceed with the development. Thanks")* Hi, Please see how the sample plugin is loading the order and how the payment params are loaded from the order object. [ github.com/HikaShop/sample-payment-plugi...ter/example.php#L166](https://github.com/HikaShop/sample-payment-plugin/blob/master/example.php#L166) You need the 6 lines to do the same and initialize correctly all the variables of the plugins (his params, the $this->app, etc). Regards, --- Jerome - Obsidev.com HikaMarket & HikaSerial developer / HikaShop core dev team. Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI5LXBheW1lbnQtbWV0aG9kcy84ODU0OTgtdW5kZWZpbmVkLXByb3BlcnR5LXBsZ2hpa2FzaG9wcGF5bWVudGV4YW1wbGUtdXI/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[oby](/forum/user/43072-oby "View oby's Profile")** - [![oby's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/43072-oby "View oby's Profile") Topic Author - [ Offline](/forum/user/43072-oby) Less More - Posts: 4 - Thank you received: 0 - - 10 years 3 months ago [\#245233](#245233) by [oby](/forum/user/43072-oby "View oby's Profile") Replied by *[oby](/forum/user/43072-oby "View oby's Profile")* on topic *[Undefined property: plgHikashoppaymentExample::$ur](/forum/29-payment-methods/885498-undefined-property-plghikashoppaymentexample-ur#245233 "I am developing a payment method using the Example.zip files as guide. Everything works well until I uncommented the following two line: $return_url = HIKASHOP_LIVE.'index.php?option=com_hikashop&ctrl=checkout&task=after_end&order_id='.$order_id.$this->url_itemid; $this->app->redirect($return_url); Then i get this message: Notice: Undefined property: plgHikashoppaymentExample::$url_itemid in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 275 Notice: Undefined property: plgHikashoppaymentExample::$app in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 282 Fatal error: Call to a member function redirect() on null in C:\Bitnami\wampstack-5.6.22-0\apache2\htdocs\Joomla_3.5.1\plugins\hikashoppayment\example\example.php on line 282 How can I clear the error so that I can proceed with the development. Thanks")* Thanks a million! Including those lines solved the problem. Have a nice day. Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI5LXBheW1lbnQtbWV0aG9kcy84ODU0OTgtdW5kZWZpbmVkLXByb3BlcnR5LXBsZ2hpa2FzaG9wcGF5bWVudGV4YW1wbGUtdXI/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. 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