> For the complete documentation index, see [llms.txt](https://arraynetworks.gitbook.io/array-xml/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://arraynetworks.gitbook.io/array-xml/readme/action.md). # Element \ Two main funcitons, "input packet process" and "link pairs". ## Attribute

Attribute	Description	Type	Default (* must have)
id	Specifies a unique id for an element	Interger	*
name	Specifies a name for an element	String
type	action type	String	input-packet-process or linkpairs

## Example ```xml P0 vlan ``` ## Elements in Action ### input-packet-process type ### \ Defines input port(must have). It has a start tag \ and an end tag \. ```xml P0 ``` ### \ Defines vlan tagging. It has a start tag \ and an end tag \. ```xml P0 10 ``` ### \ Defines vlan layer 2 tagging. It has a start tag \ and an end tag \. ```xml P0 20 ``` ### \ Defines stripping. It has a start tag \ and an end tag \. #### support type * payload * vlan * mpls * gre * vxlan * gre-erspan * gtp * grism * mpls-in-udp * mpls-in-gre ```xml P0 vlan ``` ### \ Defines tagging. It has a start tag \ and an end tag \. #### support type * timestamp * gtp * gtp2 * grism ```xml P0 grism ``` ### \ Defines packet max length. It has a start tag \ and an end tag \. ```xml P0 64 ``` ### linkpairs type If portA down, force portB down, and vice versa. ```xml P1 P2 ```