ai.Role
A typed chat-role marker produced by `${role("system")}` in a prompt.
Reference version
Signature
class ai.RoleA typed chat-role marker produced by ${role("system")} in a prompt.
Source:<builtin>/ai/context.bamlbytes 1576–1816
Fields
name
stringmetadata
map<string, baml.json.json>Provider-specific per-message metadata such as cache control, set with
${role("system", metadata = { "cache_control": { "type": "ephemeral" } })}.