IProcessParameterListener (iDempiere 9.0 API Documentation)

All Known Implementing Classes:

BankTransferParameterListener, CreateTableParameterListener, MFARegisterParameterListener
```
public interface IProcessParameterListener
```
Listener interface for process parameter panel. Implementation must be thread safe

Author:

hengsin

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`void`	`onChange(ProcessParameterPanel parameterPanel, String columnName, WEditor editor)`	on value change of parameter field editor
`default String`	`validate(ProcessParameterPanel parameterPanel)`	validate process parameter form

- Method Detail
  - onChange
```
void onChange(ProcessParameterPanel parameterPanel,
              String columnName,
              WEditor editor)
```
    on value change of parameter field editor
    
    Parameters:
    
    parameterPanel -
    
    columnName - - for range parameter the To columnname is suffixed with _2
    
    editor -
  - validate
```
default String validate(ProcessParameterPanel parameterPanel)
```
    validate process parameter form
    
    Parameters:
    
    parameterPanel -
    
    Returns:
    
    error message (if any)