How To Access Variant Title In Abandoned Email Template?

[lb15941]

I'm needing to access the variant title of a line item in the abandoned checkout email template, have tried the following (neither work):

{% assign line_title = line.product.title | append: ' - ' | append: line.variant.title %}

{% assign line_title = line.product.title | append: ' - ' | append: line.product.variant.title %}

Can i please have some advice on how to access variant properties on line items?

Thanks