File: WebAPI/symbol_browsing_2.proto
Request for a specific category by ID.
Limits:
1. The number of simultaneous requests in processing is 1000 by default.
2. The number of simultaneous update subscriptions is 1000 by default.
Response: SymbolCategoryReport.
Type: string
Description: Category Identifier to request corresponding category.
Source: SymbolCategory.id.