A reporting tool EXEC is a REXX EXEC that uses a report definition to create control statements for a report utility such as DFSORT's ICETOOL. The DFSMSrmm report generator uses the EXEC to process a report definition and uses an ISPF skeleton to generate the JCL to run the report. You need ISPF and REXX skills to code or update reporting tool EXECs to use a reporting utility other than DFSORT's ICETOOL. You can use DFSMSrmm-supplied reporting tool EXEC EDGRGGEN as a model for your processing. You can use ISPF skeletons to create the JCL to run your selected report utility. Tailor the skeletons to perform processing based on the JCL and control statements required for your selected reporting utility. When your reporting tool EXEC is called to generate the reporting JCL, the DFSMSrmm report generator has read the report definition and created REXX variables from the details within the definition. You must process these variables to create the reporting utility JCL and control statements. Refer to Reporting tool REXX variables for the list of REXX variables that are created by the report generator for use by your reporting tool EXEC.