Similar to check_fields_exist(), but instead of verifying fields that exist
in the data tibble this seeks to verify their existence under the metadata
tibble field_names.
check_metadata_fields_exist(metadata_tbl, cols, call = caller_env())A metadata tibble from the supertibble generated by read_redcap().
Selected columns identified for combine_checkboxes() to be
cross checked against metadata_tibble$field_name
The calling environment to use in the error message