Sets the start date of the request.
- validFrom (String)
- Start date of the request. If this is a one-time request, the request remains active until all instances launch, the request expires, or the request is canceled. If the request is persistent, it remains active until it expires or is canceled.
Assembly: AWSSDK (Module: AWSSDK) Version: 188.8.131.52 (184.108.40.206)