# Enterprise Communication Interface (ECI)

## eci_rea_gtm_def

### Description
Read a GTM definition. Check if GTM-group exists read the definitions of this group and its attributes
### Input parameter
wdg_mod
string | mode of widget {"list", "form"}
act_mod
string | mode of interaction {"bat"}
csg_nam
stringlist | Part1: classification code of group Part2: SML_NUM of classification group
As the classification code is no longer the unique key, it is necessary to provide the unique key "SML_NUM".
### Output parameter
ret_fld_val1
stringlist | classification code, group name, description, GTM-table number, entity
ret_num_rec
string | number of attributes
ret_fld_att1 ... ret_fld_attn
stringlist | attribute 1
... | ...
stringlist | attribute n: position number name type letter reference unit default checkstring (n=ret_num_rec)