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The destination field to put the extracted key-value pairs into

The field delimiter string that is used between key-value pairs in the original log events. If you omit this, the ampersand & character is used.

If you want to add a prefix to all transformed keys, specify it here.

The delimiter string to use between the key and value in each pair in the transformed log event.

A value to insert into the value field in the result, when a key-value pair is not successfully split.

Specifies whether to overwrite the value if the destination key already exists. If you omit this, the default is false.

Path to the field in the log event that will be parsed. Use dot notation to access child fields. For example, store.book