| Parameter Step Mask Variable | Description |
| BN_M | Block Name. Note: the MATLAB command "gcb" can be used to determine the block name. |
| PN_M | Parameter Name Note: the block internal workings makes use of the MATLAB set_parm function and parameter names will need to be in the form required by this function. |
| IV_M | Initial Value defined as a string. Size and value must match block's parameter initial size and value |
| FV_M | Final Value defined as a string. Size must match block's parameter initial size. |
| ST_M | Step Time defined as a number |