Use this function to get a parameter that has been assigned using set_datastore_param from the datastore. If a default is specified, the return value will be the same type (string or number) and will default to this value if the parameter is not set.

Syntax: function get_datastore_param(name)
Inputs: name (string), default (optional string or number)
Outputs: value (string)
Usage: Anywhere
See also: set_datastore_feed_param