Creates a documentation part.
See https://www.paws-r-sdk.com/docs/apigateway_create_documentation_part/ for full documentation.
apigateway_create_documentation_part(restApiId, location, properties)
[required] The string identifier of the associated RestApi.
[required] The location of the targeted API entity of the to-be-created documentation part.
[required] The new documentation content map of the targeted API entity. Enclosed key-value pairs are API-specific, but only OpenAPI-compliant key-value pairs can be exported and, hence, published.