规则引擎根据您指定的键查找会话或请求中的对象。
The rules engine finds the object on the session or request at a key you specify.
可以使用一个 Lookup 细分来根据键查找值。
You can use a Lookup refinement to find a value based on a key.
您可能希望将键查找代码打包在指定模板中,使代码更加清晰。
You might try to clean up this code a bit by packaging the key lookup code in a named template.
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