# Enterprise Communication Interface (ECI)

## eci_sel_usx

### Description
Calls userexit for selected records. Opens list for entity or type. Selects records by using values of selection fields. Calls userexit for selected records.
### Input parameter
ent_nam
string | name of entity
typ_nam
string | name of type (or "" if entity list)
wdg_nam
string | name of mask
wdg_ext
string | activate system fields on list {"on", "off"}
wdg_mod
string | mode of widget {"list","form","bvb"}
act_mod
string | mode of interaction {"bat", "int"}
sel_fld_nam
stringlist | name of fields for selection
sel_fld_val
stringlist | value of fields for selection
usx_nam
string | name of userexit (listed in menu-userexit list)
usx_par
string | parameter of user
####
### Output parameter
n
string | return values of userexit
### Example
Call reservation userexit for selected item records. Input parameters:
ent_nam | "EDB-ARTICLE"
typ_nam | ""
wdg_nam | "EDB-ART-SLI"
wdg_ext | "off"
wdg_mod | "list"
act_mod | "bat"
sel_fld_nam | "T_MASTER_DAT.PART_ID"
sel_fld_val | "art%"
usx_nam | "xres_set_res"
usx_par | ""