public byte[] getFunctionAttributes(String functionId) {
    if (functionId == null) {
      throw new FunctionException(String.format("%s passed is null",
          "functionId instance "));
    }
    return idToFunctionAttributes.get(functionId);
  }
Returns the function attributes defined by the functionId, returns null if no function is found
for the specified functionId

@return byte[]
@throws FunctionException if functionID passed is null
@since GemFire 6.6
geode-core/src/main/java/org/apache/geode/internal/cache/execute/AbstractExecution.java