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The filter parameter declares a filter-only field and a name for that filter. A user can add filter-only fields as filters when exploring, but they cannot add them to their result set. These filter-only fields are made useful via templated filters, which are an advanced LookML topic.

The filter name must:

  • be unique within any given view
  • consist of characters a through z (no capital letters), 0 through 9, or _
  • start with a letter

There are many types of filter fields, as discussed further here.


Create a filter that lets the user specify the order region:

- filter: order_region type: string

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