# SubAgentCallMode

> Tracon documentation. Tracon is a .NET package family that adds a control
> plane on Microsoft Agent Framework, published as NuGet packages that run
> inside your own ASP.NET Core application.
>
> Page: https://tracon.dev/http-api/schemas/subagentcallmode/
> Summary: OpenAPI request or response schema for SubAgentCallMode, including required fields, defaults, constraints, and linked nested types.

[← All HTTP schemas](/http-api/schemas/)

How an agent calls the agents it may call (`CallableAgents`).

**Shape:** enum: `Background`, `Tool`

**Allowed values:** `Background`, `Tool`