core/data-grid/data-grid.model.ts
        
Describes a custom column configuration.
| Properties | 
| custom | 
| custom:          | 
| Type : boolean | 
| Flag to identify custom columns | 
| header | 
| header:          | 
| Type : string | 
| Column header title | 
| path | 
| path:          | 
| Type : string | 
| JSON path to the managed object property to be displayed |