extensionMeta

The Global Meta set by the user is used for the purpose of Parameters.
For example, if the name of the logged-in user is needed, it can be pre-registered in User Extension Meta and used via extensionMeta. Register a Value in User Extension Meta and set the Object key to be used as UserExtensionMeta, along with the Field of the Business Object.

[Image 1. User Settings in Global Meta]

[Image2. Parameter Registration]