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Mastering ServiceNow - Second Edition by Martin Wood

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Building custom interfaces

Web Service Import Sets and Direct Web Services provide a simple way to have a remote system send or retrieve data from your instance. However, beyond specifying the fields in import sets, the methods and schema are not configurable. What if you wanted a more flexible system?

Creating scripted services

ServiceNow supports both SOAP and REST scripted web services:

  • SOAP scripted web services have two related lists, which contain the input and output parameters. These are used to generate a WSDL with a single method. A single script field determines the processing. In it, the input parameters are represented with a variable called request, while the output parameters with a variable called response.
  • REST scripted APIs are more ...

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