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Outerbounds

:wave: hi folks…..I have some `--with` parameters that I always want added when I call `run` to a flow….is there a recommended way to go about this? I potentially could modify `sys.argv` before the flow but that seems like it could have unexpected consequences.

Example:

```if __name__ == "__main__":
  # add in my always expected `with` params
  MyJob()```

you can set an environment variable `METAFLOW_DECOSPECS` which works as `--with` behind the scenes.

E.g.
```METAFLOW_DECOSPECS=retry:times=0```
is equivalent to
```--with retry:times=0```
which is equivalent to
```@retry(times=0)```
in the code