block - Remove documents matching the predicate
The block
keyword filters out all events where the given predicate is true. This is the functional inverse of filter
, which will only allow events where the predicate is true.
Syntax
Example - Blocking all healthy status codes
In this example, we have a document with a field status_code
which represents a HTTP status response code. We're interested only in those values outside of the happy path, including redirects. This means removing any status code beginning with 2
. We can do this using the startsWith
string function and the block
keyword.
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