question: the expression to evaluate for sorting while processing a search request . the expression syntax is based on javascript expressions . for more information , see configuring expressions in the amazon cloudsearch developer guide . returns a reference to this object so that method calls can be chained together . constraints : length : 1 - 10240 concode_field_sep String expressionValue concode_elem_sep String expressionName concode_field_sep String getExpressionName concode_elem_sep void setExpressionValue concode_elem_sep void setExpressionName concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep String getExpressionValue concode_elem_sep Expression clone concode_elem_sep String toString concode_elem_sep Expression withExpressionName
target: Expression function ( String arg0 ) { this . expressionValue = arg0 ; return this ; }