How to Load the Project Classification Attributes with API

Hello Team,

Can you please let me know how we can load the Project classification attribute values with API code, I am able to load the classification with below API code, I don't find the code for classification attribute values.

DECLARE

   --Table Type Variables

   lt_class_categories_tbl   PA_PROJECT_PUB.CLASS_CATEGORY_TBL_TYPE;

  

BEGIN

   --> Assinging the Categories values

   lt_class_categories_tbl.DELETE;

   lt_class_categories_tbl (1).class_category := 'Account';

   lt_class_categories_tbl (1).class_code := 'Product';

   PA_PROJECT_PUB.INIT_PROJECT;

  

   PA_PROJECT_PUB.CREATE_PROJECT

             (ln_api_version_number,

                    p_commit             => lc_commit,

                    p_init_msg_list