A computer-generated value is provided having a first value, at a first instant, for a dual value data attribute. A user-specified value is received and stored for the dual value attribute. A field flag value for the dual value attribute, in a first flag state, specifies that the stored user-specified value is to be used during consumption of the dual value attribute. The stored user-specified value is provided for consumption by a software application based on the field flag value being in the first flag state. At a second instant, the field flag value is changed to a second flag state indicating that the computer-generated value is to be used during consumption of the dual value attribute. At a third instant, the computer-generated field value is provided for consumption by a software application based on the flag value being set to the second flag state.
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