AddAPIKey: Function is used to add the API key to the params that will be sent on
every call to OpenSecrets.org; an exception will be thrown if this value is
null.
Description
Function is used to add the API key to the params that will be sent on
every call to OpenSecrets.org; an exception will be thrown if this value is
null.
Usage
AddAPIKey(params)
Arguments
params
Any parameter pertaining to a specific web method invocation.