ISPF variables
The ISPF variables shown in Table 1 are used to indicate to an application that ISPF is running on behalf of a client and to allow the application to provide information to the client to help process the application's panels.
| Variable name | Description |
|---|---|
| ZGUI | If ISPF is communicating with a client using the JSON API, the variable ZGUI has a value of CLIENT. |
| ZCLIENT | If ISPF is communicating with a client the JSON API, variable ZCLIENT has a value of JSON. |
| ZDYNSCR | When about to display a panel with a dynamic area
that can be scrolled, the application can set the value of this variable
to indicate whether the dynamic area can be scrolled up, down, left,
or right on the next display. The variable value must be 4 bytes:
|
| ZTBLSCR | When about to issue a table display and the application
is using a variable model line to dynamically build the display area
for the table rows, the application can set the value of this variable
to indicate whether the table display can be scrolled up, down, left,
or right on the next display. The variable value must be 4 bytes:
|