Provided by: libmongoc-doc_1.3.1-1_all 

NAME
mongoc_gridfs_file_set_metadata() - Sets the metadata associated with file.
SYNOPSIS
void
mongoc_gridfs_file_set_metadata (mongoc_gridfs_file_t *file,
const bson_t *metadata);
PARAMETERS
file A mongoc_gridfs_file_t \&.
bson A bson_t containing metadata for file \&.
DESCRIPTION
Sets the metadata associated with file \&.
You need to call mongoc_gridfs_file_save(3) to persist this change.
COLOPHON
This page is part of MongoDB C Driver. Please report any bugs at
https://jira.mongodb.org/browse/CDRIVER.
MongoDB C Driver 2016‐01‐18 MONGOC_GRIDFS_FILE_SET_METADATA(3)