mongoc_read_prefs_add_tag - Man Page

void
mongoc_read_prefs_add_tag (mongoc_read_prefs_t *read_prefs, const bson_t *tag);

• read_prefs: A mongoc_read_prefs_t <>.
• tag: A bson_t <https://www.mongoc.org/libbson/current/bson_t.html>.

This function shall add a tag to a read preference.

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