CL command DSPIDXD is a member of i5/OS Programmer's Toolkit. The DSPIDXD command displays attributes of a user index (*USRIDX) object whose MI object type and subtype is hex 0E0A.
The only parameter of command DSPIDXD is the name and library of a *USRIDX object. For example
DSPIDXD USRIDX(SOME_LIB/SOME_IDX)
To create a *USRIDX object, one may use API QUSCRTUI . To examine existing *USRIDX objects on the system, use CL command WRKOBJ with OBJTYPE parameter set to *USRIDX. For all operations on *USRIDX objects, please refer to User Index APIs
The following are two screen shots for command DSPIDXD
Create a *USRIDX object
Display attributes of a *USRIDX object