Why am I getting a warning for the explore or field parameter in my LookML dashboard filter?

[LookerExperts]

Knowledge Drop

Last Tested: Jan 21, 2019

The explore parameter is a valid parameter only for type: field_filter LookML dashboard filters. Like a UDD field type filter, this is the only filter type that queries a field in an explore to pull suggestions from—all other filter types do not need to query a field.

This throws a warning:

filters:

- name: order_date

type: date_filter

explore: orders

field: orders.order_date

This does not throw a warning:

filters:
- name: order_date
type: field_filter
explore: orders
field: orders.order_date

You can reference these docs for more information.

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