What this category's data looks like
Vehicle marketing-related data primarily comes from official automaker announcements, Ministry of Industry and Information Technology (MIIT) motor vehicle product announcements, and dealer inventory management systems. There are two update schedules for this data: New vehicle launch information is updated irregularly alongside release dates. Configuration, official suggested retail price, and inventory status of in-production models are synced daily. The structure of individual data records is fixed. It includes the following fields: vehicle model, VIN code, official suggested retail price, core configuration list, cruising range (for new energy vehicles), combined fuel consumption (for fuel-powered vehicles), launch and discontinuation dates. All field units follow standard metric formats such as ten thousand yuan, kilometers, and liters.
What constraints do these characteristics impose on tool calling and plugins?
The dispersed, multi-source nature of vehicle data requires that tool calling be configured with a multi-data source aggregation plugin to connect to different interfaces such as automaker announcements and inventory systems. The differing update schedules for various data types require setting differentiated cache expiration rules for each data source. The core configuration list field contains lengthy content. When calling tools, specify the field extraction range to avoid returning redundant information. The VIN code, as the unique identifier for a vehicle, must be set as a required verification parameter for tool calls to ensure that called data matches the target vehicle model. Additionally, vehicle configurations vary by region. Tool calls must include a region parameter to filter returned results.
How to set configurations
| Configuration Item | Recommended Value | Rationale |
|---|---|---|
tool_call_timeout | 300 seconds | Covers the interface response duration of multi-source data sources, prevents single calls from timing out and interrupting |
plugin_cache_ttl | Set by type: suggested retail price 86400 seconds, new vehicle information 604800 seconds | Matches the update schedules of different data types, reduces repeated call overhead |
required_tool_params | ["vehicle model", "VIN code", "sales region"] | Ensures called data matches the target vehicle model and sales region, prevents data misalignment |
tool_retry_times | 2 times | Addresses temporary fluctuations in dealer inventory systems, lowers the probability of call failures |
field_extract_max_len | 8000 characters | Accommodates complete vehicle configuration list content, avoids truncating core information |
plugin_auth_method | API_KEY static authentication | Adapts to the universal authentication method for automaker interfaces, has a simple configuration process |
The parameter values provided on this page are common recommended starting points for configuration. Actual values are affected by material form, data volume, and business rules. Specific issues require individual analysis. It is recommended to test on your own samples before finalizing values.
Three common mistakes
- Phenomenon: Extra digit 0 appears in returned results during tool calling debugging, and the content does not match the model's original output. Cause: Output format constraints for tool calling are not correctly configured, causing the model's returned tool calling identifier to be incorrectly appended to the result.
- Phenomenon: The plugin name displayed on the system plugin management page does not match the name on the plugin list page. Cause: Internal identifier and display name are not filled in synchronously in plugin configuration, causing the two pages to read names from different sources.
- Phenomenon: Tool interface calls return a
400 Bad Requesterror, and knowledge base content recall is not triggered. Cause: Tool calling trigger conditions are not correctly configured, or required vehicle parameters are not passed, causing interface verification to fail.
How to confirm configurations are properly set
- Initiate a tool calling test with complete required vehicle parameters, check whether returned results match the target vehicle model's configuration information.
- Review tool calling logs to confirm that multi-source data source call durations and cache expiration rules match configured items.
- Compare the display names on the plugin management page and plugin list page to confirm that internal identifiers and display names have been synchronized.
- Construct a call request missing required parameters, verify whether the interface returns the corresponding error prompt to confirm that verification rules are active.
Question material comes from public community discussions. Configuration values are common starting points and should be measured against your own samples. Verified on 2026-09-14.