@Override
	public String getFieldName() {
		if (record != null && !isZeroBitFieldComponent()) {
			return record.getString(ComponentDBAdapter.COMPONENT_FIELD_NAME_COL);
		}
		return null;
	}
Get record key
@return record key or -1 for undefined component without a record
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/DataTypeComponentDB.java