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Enables API call recording
 Type: int
 Default value: 0
 Minimum value: 0
 Maximum value: 1

Enables API call recording. When enabled, Gurobi will write one or more files (named gurobi000.grbr or similar) that capture the sequence of Gurobi commands that your program issued. This file can subsequently be replayed using the Gurobi command-line tool. Replaying the file will repeat the exact same sequence of commands, and when completed will show the time spent in Gurobi API routines, the time spent in Gurobi algorithms, and will indicate whether any Gurobi environments or models were leaked by your program. Replay files are particularly useful in tech support situations. They provide an easy way to relay to Gurobi tech support the exact sequence of Gurobi commands that led to a question or issue.

This parameter must be set as soon as you create your Gurobi environment (or in a gurobi.env file). All Gurobi commands will be recorded until the environment is freed or the program ends. Changing the parameter value back to 0 has no effect.

For examples of how to query or modify parameter values from our different APIs, refer to our Parameter Examples.