> ## Documentation Index > Fetch the complete documentation index at: https://docs.sarasfinance.com/llms.txt > Use this file to discover all available pages before exploring further. # Fields **Overview** Fields define the data schema and structure for each sub-project. They represent the individual data elements that will be collected, stored, and processed. **Purpose** * Define data model for sub-project instances * Establish validation rules and constraints * Configure field-level permissions and visibility * Support data transformation and mapping **Field Configuration Options** | Configuration | Description | | ------------- | --------------------------------------- | | name | Field name | | type | Field type (enum) | | select | Pre defined field values (True / False) | | options | Pre defined field values list | **Field Types** | Type | Description | | ----------------- | -------------------------------------------------------------- | | string | String data type | | number | Integers data type | | date | Date data type | | decimal | Decimal numbers data type | | file | A raw file from storage | | process | A business unit from possibly another project / sub projects | | document | A document data type | | boolean | True / False | | list of strings | List of strings data type | | list of decimals | List of decimal numbers data type | | list of numbers | List of integer number data types | | list of files | List of raw files from the storage | | list of processes | List of other business units from other project / sub projects | | list of documents | List of documents data type | Fields Configuration