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### Supported function named parameters

`default_field`
:   (keyword) Default field to search if no field is provided in the query string. Supports wildcards (*).

`allow_leading_wildcard`
:   (boolean) If true, the wildcard characters * and ? are allowed as the first character of the query string. Defaults to true.

`allow_wildcard`
:   (boolean) If true, the query attempts to analyze wildcard terms in the query string. Defaults to false.

`analyzer`
:   (keyword) Analyzer used to convert the text in the query value into token. Defaults to the index-time analyzer mapped for the default_field.

`auto_generate_synonyms_phrase_query`
:   (boolean) If true, match phrase queries are automatically created for multi-term synonyms. Defaults to true.

`fuzziness`
:   (keyword) Maximum edit distance allowed for matching.

`boost`
:   (float) Floating point number used to decrease or increase the relevance scores of the query.

`default_operator`
:   (keyword) Default boolean logic used to interpret text in the query string if no operators are specified.

`enable_position_increments`
:   (boolean) If true, enable position increments in queries constructed from a query_string search. Defaults to true.

`fields`
:   (keyword) Array of fields to search. Supports wildcards (*).

`fuzzy_max_expansions`
:   (integer) Maximum number of terms to which the query expands for fuzzy matching. Defaults to 50.

`fuzzy_prefix_length`
:   (integer) Number of beginning characters left unchanged for fuzzy matching. Defaults to 0.

`fuzzy_transpositions`
:   (boolean) If true, edits for fuzzy matching include transpositions of two adjacent characters (ab → ba). Defaults to true.

`lenient`
:   (boolean) If false, format-based errors, such as providing a text query value for a numeric field, are returned. Defaults to false.

`max_determinized_states`
:   (integer) Maximum number of automaton states required for the query. Default is 10000.

`minimum_should_match`
:   (string) Minimum number of clauses that must match for a document to be returned.

`quote_analyzer`
:   (keyword) Analyzer used to convert quoted text in the query string into tokens. Defaults to the search_quote_analyzer mapped for the default_field.

`phrase_slop`
:   (integer) Maximum number of positions allowed between matching tokens for phrases. Defaults to 0 (which means exact matches are required).

`quote_field_suffix`
:   (keyword) Suffix appended to quoted text in the query string.

`rewrite`
:   (keyword) Method used to rewrite the query.

`time_zone`
:   (keyword) Coordinated Universal Time (UTC) offset or IANA time zone used to convert date values in the query string to UTC.

