SYNOPSIS

          bool
          bson_has_field (const bson_t *bson, const char *key);

PARAMETERS

       • bson: A bson_t.

       • key: A string containing the name of the field to check for.

DESCRIPTION

       Checks  to  see  if  key  contains  an  element  named  key.  This also accepts "dotkey" notation such as
       "a.b.c.d".

RETURNS

       true if key was found within bson; otherwise false.

AUTHOR

       MongoDB, Inc

COPYRIGHT

       2009-present, MongoDB, Inc.

1.30.4                                            Jun 08, 2025                                 BSON_HAS_FIELD(3)