Env.setParam()
setParam ( paramname, newvalue )
Set the value of a parameter to a new value.
Arguments:
paramname: String containing the name of parameter that you would like to modify. The name can include '*' and '?' wildcards. If more than one parameter matches, the matching names are listed and none are modified. Note that case is ignored.
newvalue: Desired new value for parameter. Can be 'default', which indicates that the parameter should be reset to its default value.
Example usage:
env.setParam("Cuts", 2)
env.setParam("Heu*", 0.5)
env.setParam("*Interval", 10)
