Get mapping definitions
Retrieves mapping definitions for one or more fields. For data streams, the API retrieves field mappings for the stream’s backing indices.
This API is useful if you don't need a complete mapping or if an index mapping contains a large number of fields.
Required authorization
- Index privileges view_index_metadata
Query parameters
-
allow_no_indicesboolean · default: true -
If
false, the request returns an error if any wildcard expression, index alias, or_allvalue targets only missing or closed indices. This behavior applies even if the request targets other open indices. -
expand_wildcardsstring · default: open -
Type of index that wildcard patterns can match. If the request can target data streams, this argument determines whether wildcard expressions match hidden data streams. Supports comma-separated values, such as
open,hidden.Supported values include:
all: Match any data stream or index, including hidden ones.open: Match open, non-hidden indices. Also matches any non-hidden data stream.closed: Match closed, non-hidden indices. Also matches any non-hidden data stream. Data streams cannot be closed.hidden: Match hidden data streams and hidden indices. Must be combined withopen,closed, orboth.none: Wildcard expressions are not accepted.
-
Values:
allopenclosedhiddennone -
If
false, the request returns an error if it targets a missing or closed index.