BAPI_PPE_NODE_LONGTEXT_HD is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "iPPE/BAPI: Header Long Text for Node" Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately. i.e. DATA: wa_BAPI_PPE_NODE_LONGTEXT_HD TYPE BAPI_PPE_NODE_LONGTEXT_HD.
The BAPI_PPE_NODE_LONGTEXT_HD table consists of various fields, each holding specific information or linking keys about iPPE/BAPI: Header Long Text for Node data available in SAP. These include APPLICATION_TYPE (Application Object Type for iPPE), LANGU (Language Key), LANGU_ISO (2-Character SAP Language Code), LINESIZE (Line Width)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .