Reply : In Odoo, subtypes are used to categorize or classify records within a specific model or module. The purpose of subtypes is to provide further granularity or differentiation within a particular record type. 

Here are some key purposes of subtypes in Odoo:

1. Record Classification: Subtypes allow you to classify records within a model based on specific characteristics or attributes. For example, in the CRM module, you might have a "Lead" model, and you can define subtypes such as "Inquiry," "Prospect," or "Opportunity" to categorize leads based on their current status or stage in the sales process.

2. Workflow and Automation: Subtypes can be used to trigger specific actions or workflows based on the subtype of a record. 

3. Customization and Personalization: Subtypes provide flexibility for customization and personalization within a module. They allow you to define additional fields, behaviors, or views specific to a particular subtype.

4. Reporting and Analysis: Subtypes can be utilized for reporting and analysis purposes.

5. User Permissions and Access Control: Subtypes can be used to control user permissions and access rights.

Regards,

Ksolves Team!