It supports template libraries.

模板类库相当于，把常用的实用函数打包成一个单独的策略, 其它策略可以直接引用

Use it$Symbols are functions that are exported to the template library by calling the prefix, and the template library can also export functions by calling the prefix.

Template library writing interface

Other strategies include clicking directly on the template library.

• A policy can reference multiple templates.
• Can't rename functions exported between referenced template libraries
• Template libraries can set parameters that do not conflict with other libraries
• Template libraries are not allowed to reference each other, only policies are allowed to reference them
• After a user copies a public policy that refers to a template library, the associated template library automatically creates a hidden snapshot to ensure that the policy is properly referenced

Here is an example:https://www.fmz.com/strategy/10991