The GET_BMAT_PARAM Function Module 
The GET_BMAT_PARAM Function Module
The GET_BMAT_PARAM function module calls SAP Pushbutton Graphics to get export parameters set to their proper values. Use GET_BMAT_PARAM when the ABAP program has received return values of MCODE='I' and RWNID='BMATn'. See
Controlling the Interaction Using Parameters and Utility Function Modules for more information.The following table contains a list of the parameters you can use with this function module.
For a detailed description of parameters and exceptions, see the R/3 system documentation (Tools
® ABAP Workbench, Function library button, or transaction code SE37).Parameters used with GET_BMAT_PARAM
Name |
Status |
Initial Value |
B_KEY |
Export |
|
B_TYP |
Export |
|
COLNR |
Export |
|
CUA_ID |
Export |
|
MCOLN |
Export |
|
MROWN |
Export |
|
ROWNR |
Export |