Liquid Template Variables - collection
From Spiffy Stores Knowledge Base
The liquid template variable collection has the following attributes:
Contents
collection.id
Returns the unique internal number of the collection.
This is normally only for internal usage.
collection.handle
This is the collection handle. The handle uniquely identifies the collection in the URL address.
The handle is usually the collection's title in lower case with all blanks replaced by a dash. "Summer Sale" would have the handle "summer-sale".
collection.title
Returns the title of this collection.