| Attributes |
| Name | Type | Required | Default Value | Description |
| value1 | string | true | null | Value added to the front in the final concatenated value. |
| value2 | string | true | null | Value added to the back of value1 in the final concatenated value. |
| value3 | string | false | N/A | Value added to the back of value2 in the final concatenated value. |
| value4 | string | false | N/A | Value added to the back of value3 in the final concatenated value. |
| value5 | string | false | N/A | Value added to the back of value4 in the final concatenated value. |
| value6 | string | false | N/A | Value added to the back of value5 in the final concatenated value. |
| value7 | string | false | N/A | Value added to the back of value6 in the final concatenated value. |
| value8 | string | false | N/A | Value added to the back of value7 in the final concatenated value. |
| value9 | string | false | N/A | Value added to the back of value8 in the final concatenated value. |
| value10 | string | false | N/A | Value added to the back of value9 in the final concatenated value. |
| scope | string | false | portlet request | The scope used to store the result in memory. See the Logic tag library description for details about valid scope arguments. |
| key | string | true | null | Name of the resulting concatenated values. |