Export a constraint-based metabolic network model from a S4 object of class
ModelOrg to a SBML file.
     
    
    Usage
    writeSBMLmod(model, file_path = NULL)
 
    
    Arguments
- model
- Model of class ModelOrg 
- file_path
- SBML file name for exporting the model. Default is the
model's ID with ".xml" suffix. 
 
    
    Value
    TRUE if file export was successful.
     
    
    Details
    Exported SBML files are of level 3, version 2. FBC-package version 2.
What content from the data.frames react_attr, met_attr, and mod_attr is
exported to SBML files? Currently only the columns named "CVTerms".