Provided by: libmongoc-doc_1.30.4-1ubuntu1_all 

SYNOPSIS
void mongoc_bulkwriteopts_set_let (mongoc_bulkwriteopts_t *self, const bson_t *let);
DESCRIPTION
let is a map of parameter names and values to apply to all operations within the bulk write. Value must be constant or closed expressions that do not reference document fields. Parameters can then be accessed as variables in an aggregate expression context (e.g. "$$var").
AUTHOR
MongoDB, Inc
COPYRIGHT
2009-present, MongoDB, Inc. 1.30.4 Jun 08, 2025 MONGOC_BULKWRITEOPTS_SET_LET(3)