SAP My Inbox attachment URL

 After we configure Fiori to access from public network, the myinbox attachments like PO & PR.. are opening with internal or webdispatcher URL which willnot work  from public network.

Tha Attachments also should use the Public URL to access form public network.

We will below tcodes to setup workflow visualization realted parameters:

SWFVISU

SWFVMD1

SWPA - for to furthe settings and maintain the public URL like below: 

first parameter is the public URL: 

Below SAP note solution section will help 2009417 - Service class for generation of URLs

In the standard system, the protocol, host address, and port are taken from the configuration of the relevant application type (BSP, Web Dynpro ABAP, for example). If you need to deviate from the standard system, you can set three configuration parameters for each application type. You must create these parameters by choosing "Create Parameters" in transaction SWPA. The names of the parameters are as follows:

Parameter	Subparameter	Default value	Documentation object
SWF_URL	BSP_STD_HOST		SWF_URL_BSP_STD_HOST
SWF_URL	BSP_STD_PORT		SWF_URL_BSP_STD_PORT
SWF_URL	BSP_STD_PROTOCOL		SWF_URL_BSP_STD_PROTOCOL
SWF_URL	WD_ABAP_HOST		SWF_URL_WD_ABAP_HOST
SWF_URL	WD_ABAP_PORT		SWF_URL_WD_ABAP_PORT
SWF_URL	WD_ABAP_PROTOCOL		SWF_URL_WD_ABAP_PROTOCOL
SWF_URL	WEBGUI_HOST		SWF_URL_WEBGUI_HOST
SWF_URL	WEBGUI_PORT		SWF_URL_WEBGUI_PORT
SWF_URL	WEBGUI_PROTOCOL		SWF_URL_WEBGUI_PROTOCOL