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This example sets a custom reply-to URL that has an embedded custom ID, smsid with a value of MYUNIQUEID in this example. Such parameters may be useful for integration into existing systems and to generally keep track of custom state variables related to the SMS. The reply-to URL will be stored within the system on the initial request and sent back upon SMS reply for Two-Way accounts. Addition parameters specified in this example use replacement keywords %%TEXT%% and %%FROM%% to get the reply-to SMS text body and replying address respectively for more direct access to data. The reply-to URL is as follows:
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