Sets the start of port range for the TCP and UDP protocols, or an ICMP type
            number.
            
 Declaration Syntax
 Declaration Syntax| C# | 
[ObsoleteAttribute("The With methods are obsolete and will be removed in version 2 of the AWS SDK for .NET. See http://aws.amazon.com/sdkfornet/#version2 for more information.")] public RevokeSecurityGroupIngressRequest WithFromPort( decimal fromPort )
 Parameters
 Parameters- fromPort (Decimal)
- Start of port range for the TCP and UDP protocols, or an ICMP type number. An ICMP type number of -1 indicates a wildcard (i.e., any ICMP type number).
 Return Value
 Return Valuethis instance