+ PV-jl^RIHt^RIHtHt^RIHt^RIHt ^RI H t ] !R4t !RR] 4tR #) )Callable) AnnotatedAny)Doc)BackgroundTasks) ParamSpecPcBaa]tRt^ toRtV3RlV3RlltRtVtV;t#)ra A collection of background tasks that will be called after a response has been sent to the client. Read more about it in the [FastAPI docs for Background Tasks](https://fastapi.tiangolo.com/tutorial/background-tasks/). ## Example ```python from fastapi import BackgroundTasks, FastAPI app = FastAPI() def write_notification(email: str, message=""): with open("log.txt", mode="w") as email_file: content = f"notification for {email}: {message}" email_file.write(content) @app.post("/send-notification/{email}") async def send_notification(email: str, background_tasks: BackgroundTasks): background_tasks.add_task(write_notification, email, message="some notification") return {"message": "Notification sent in the background"} ``` c<V^8dQhRS[S[S[S[3,S[!R43,RS[P RS[P RR/#)funcz The function to call after the response is sent. It can be a regular `def` function or an `async def` function. argskwargsreturnN)rrr rrrr)format __classdict__s"c/Volumes/fast/ai/experiments/ui-tars-smoke/.venv/lib/python3.14/site-packages/fastapi/background.py __annotate__BackgroundTasks.__annotate__(s^77 QV      7vv7((7 7c ,<\SV`!V.VO5/VB#)z Add a function to be called in the background after the response is sent. Read more about it in the [FastAPI docs for Background Tasks](https://fastapi.tiangolo.com/tutorial/background-tasks/). )superadd_task)selfr rr __class__s&&*,rrBackgroundTasks.add_task(s*w6t6v66r) __name__ __module__ __qualname____firstlineno____doc__r__static_attributes____classdictcell__ __classcell__)rrs@@rrr s8777rrN) collections.abcrtypingrr annotated_docrstarlette.backgroundrStarletteBackgroundTaskstyping_extensionsrr rrrr,s*$!L' cN27.27r