Introduction
This API endpoint allows for the creation of custom materials in the Higg MSI. To create a custom material, the following base attributes are required:- Name (open text field, must be unique within an MSI library)
- Category (user defined from the set of categories available in the MSI). See MSI Get Material Categories for additional information.
- At least one base material (user defined from the set of base materials available in the MSI) See MSI Get Base Materials for additional information.

