Customer is requesting adding a liquid variable to the email template for failed payments to allow surfacing of the payment error, currently the only available liquid variables are listed below:

<!--
  Liquid Debug Help

    You can use following variables:
    ================================
    buyer_account => Account)  
    account       => Account   
    provider      => Provider  
    cost          => SafeBuffer
    invoice_url   => String    
    payment_url   => String    
    ================================
    Check more info at https://access.redhat.com/documentation/en-us/red_hat_3scale_api_management/2.15/html/liquid_reference/index
-->

It is expected that one of the following will contain the required data:

{{ payment_transaction.errors.name }}

}