Creating a BRMS Connector Expression 
Open the application in the Object Manager panel.
Under the Detail section, choose the Contained Objects tab.
The Contained Objects tab page appears.
Choose Expression from the Type field and choose Create Object.
In the Object Creation dialog box that appears, choose BRMS Connector in the Type field.
Enter the following data:
Name
(Optional) Short Text
(Optional) Text
Choose Create and navigate to object.
The newly created BRMS Connector expression appears in the Object Manager panel.
Note
If you choose Create, the BRMS Connector expression appears under the Contained Objects tab.
Assign a result data object. You can assign a standard data object type, an existing data object or a new data object.
Select a Standard Type
Choose
(Graphical Access).
In the context menu, choose Default Objects and choose the data object type.
Select an Existing Data Object
Choose
(Graphical Access).
In the context menu, choose Select....
In the Object Query dialog box that appears, choose the data object.
Create a New Data Object
Choose
(Graphical Access).
In the context menu, choose Create....
In the Object Creation dialog box that appears, create the data object.
For more information, see Creating Data Objects
Choose the connection type. You can either choose NetWeaver BRMS Connection or External BRMS Connection.
Choose the destination.
The destination needs to be specified in the rules so that the call can be routed correctly.
Enter the base currency.

Add context to the expression. You can either add an existing object or create a new object.
Add an Existing Object
Choose Add Existing Object.
In the Object Query dialog box that appears, choose the object and choose Select.
Add a New Object
Choose Add New Object.
In the Object Creation dialog box appears, create the expression.
For more information, see Creating Expressions
Assign result parameter. You can assign a standard data object type, an existing result parameter or create a new result parameter.
Select a Standard Type
Choose
(Graphical Access).
In the context menu, choose Default Objects and choose the data object type.
Select an Existing Result Parameter
Choose
(Graphical Access).
In the context menu, choose Select....
In the Object Query dialog box that appears, choose the data object.
Create a New Result Parameter
Choose
(Graphical Access).
In the context menu, choose Create....
In the Object Creation dialog box that appears, create the data object.
For more information, see Creating Data Objects
Choose Generate Vocabulary Schema.
The generated rule XSD is used to define the rule vocabulary in the external BRMS engine.
To set connection parameters, choose Connection Parameters tab.
Under the Connector Call Parameters section, enter values for the project and the rule set.

Choose the Activate button.
Save the expression.