Retrieves all ProjectTemplate Categories defined in the system.
A ProjectTemplate is a definition of default project related data (eg. Tasks) that can be applied to a new project when it is created. ProjectTemplates are categorized using the TemplateCategory system.
The name of the calling system passed along as a header parameter
If the API call failed, this will contain information about the error that occurred.
True if the API call succeeded; false otherwise.
True if the API call failed.
The HTTP code of the response.
If the API call succeeded, this will contain the results.