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Begins an asynchronous HTTP method request using the specified parameters (see below). If the request is started successfully, the method returns True and and will deliver an event. If the request could not be started, then the method returns False and will not deliver an event. If this occurs, you may be able to use the GetFailureReason() method method to get more information.
The parameters are sepecifed using an roAssociativeArray instance that may contain the following members:
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