In this page of ReSharper options, you can specify the template for new resource names. This template is applied when ReSharper automatically creates new resources with localization refactorings and localization quick-fixes.
Item
Description
Resource name template
You can use plain text or variables in the template. The following variables are predefined:
$TypeName$ — name of the type that contains the localizable string
$MemberName$ — name of the member that contains localizable string
$Value$ — localizable string that is added as a resource value