HFMREFTB DD - Sharing reference lists

The reference list can be saved in an ISPF table in the ISPF user profile or the data set associated with DD HFMREFTB if allocated. You can share reference lists with other users by using the HFMREFTB DD. If you allocate an HFMREFTB DD, ensure that the associated data set is partitioned with a record format of fixed blocked and a logical record length of 80.