Using the migrated approval matrix To use the migrated approval matrix in the workflow model: Select Monitors & Workflows > Workflows. Open the workflow model that contains the approval matrix. If the workflow is active, you must deactivate it. Select the Task Chain step and select the Approval Matrix tab. In the Task Chain Properties panel, verify if the Simple approval matrix option is selected and remove all rows. Clear all parameters to be selected or set. Select the Use Business Rules check box. Select the migrated matrix from the drop-down list of the “Approval matrix”. This matrix must be approved in the Business Rules. Specify the mappings for the matrix. Select the workfow parameters to be selected by the matrix conditions to map them to the matrix parameters. Save and activate the workflow definition.