src/main/java/org/efaps/ui/wicket/models/objects/AbstractUIPageObject.java
protected Object getValue4Wizard(final String _key)
    {
        Object ret = null;
        final Map<String, String[]> para = this.wizard.getParameters((IWizardElement) this);
        if (para != null && para.containsKey(_key)) {
            final String[] value = para.get(_key);
            ret = value[0];
        }
        return ret;
    }
protected Object getValue4Wizard(final String _key)
    {
        Object ret = null;
        final Map<String, String[]> para = this.wizard.getParameters((IWizardElement) this);
        if (para != null && para.containsKey(_key)) {
            final String[] value = para.get(_key);
            ret = value[0];
        }
        return ret;
    }
Method to get the value for a key in case of wizard.

@param _key key for the value
@return value for the object, if found, else null