question: get parameter value from request scope . concode_field_sep PlaceHolder placeHolder concode_field_sep Application getApplication concode_elem_sep ValueBinding getValueBinding concode_elem_sep Object getElValue concode_elem_sep void addInfoMessage concode_elem_sep void addInfoMessage concode_elem_sep Object getManagedBean concode_elem_sep void addErrorMessage concode_elem_sep void addErrorMessage concode_elem_sep String getJsfEl concode_elem_sep void resetManagedBean concode_elem_sep void setManagedBeanInSession concode_elem_sep HttpServletRequest getServletRequest
target: String function ( String arg0 ) { return ( String ) FacesContext . getCurrentInstance ( ) . getExternalContext ( ) . getRequestParameterMap ( ) . get ( arg0 ) ; }