This API can be used by an agency if they don't want to invoke the evidence broker at the time of case creation. This means that evidence can be configured for sharing at all other points in the case life cycle but by calling this API at case creation, the sharing of evidence will be prevented at case creation only.
For example, this may be useful where an agency uses application cases to capture application information before creating an ongoing case to manage the delivery aspects. Using this API will allow the agency to exclude the sharing of evidence at the time of the ongoing case creation, based on the assumption that the user building up the application case will have constructed the initial evidence set they desire for the ongoing cases on the application and taking evidence from elsewhere at this point may confuse matters.