Parking Bill Items

Fields:
- The data structure includes various fields to capture details about parking bill items:
  - billitemrefid: An identifier for the bill item reference.
  - billitemref: Reference associated with the bill item.
  - billitemamount: Floating-point number representing the amount of the bill item.
  - billitemmiscamount: Floating-point number representing miscellaneous amount associated with the bill item.
  - billitemeqvamount: Floating-point number representing the equivalent amount of the bill item.
  - billitemdescription: Data field containing a description of the bill item.
  - date: Date field representing the date associated with the bill item.
  - sourcename: Data field representing the source name associated with the bill item.
  - gsfcode: Data field representing the GSF (Global Standardization Forum) code associated with the bill item.
  - parkingdetailsid: Data field representing the parking details identifier associated with the bill item.
Table Configuration:
- This DocType is configured as a table (istable: 1), indicating that it is meant to store multiple entries in a tabular format.
Timestamps and Tracking:
- There are timestamps to track when the record was created and last modified.
- The system tracks changes on each record.
Sorting and Database Information:
- Records are sorted based on the modification timestamp in descending order.
- The data is stored using the InnoDB storage engine.
Web Indexing:
- The system is configured to index the records of this type for web searches.
Permissions:
- There are no specific permissions mentioned in the code, which means default permissions may apply.

In summary, this DocType is designed to store information about individual items associated with parking bills. It includes various fields to capture details such as amounts, dates, descriptions, and associated identifiers. The data is organized in a tabular format, and the system tracks changes to these records.