One column is missing in the export csv file

When I export projects to a csv file, there is no one column that I need.
As far as I know, this module / plugin is not standard and needs to be edited in the code. Tell me where I can find it.
2

@s4trgdfg
Welcome to community!

Please give some more information about what do you want to do. Do you want export tasks of project or something another?