You can add parameters to operations in the Implementation folder of the Service Panel.
For more information about what you can do with an operation via the quick actions and the associated context menu in the service panel, see Modeling Data Structures > Operation.
When adding a parameter, a pop-up window opens where you need to enter a name for the parameter.
Click Save to create the new parameter.
For more information on restrictions on element names, see Adding Elements.
To change name, type or direction of the parameter, select the parameter in the service panel and switch to the Attributes panel.
for more information on what you can do in the attributes panel.
You can delete parameters from an operation in the Implementation folder of the Service Panel.
You can delete a parameter in the implementation folder of the service panel using the Delete option of the context menu or the Del key.
Confirm the security prompt in the pop-up window with Yes to delete the selected parameter from the operation.
The parameter is deleted from the operation.