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A brief summary of the KOA commands and variables is shown below. These commands are in addition to the KSL commands discussed elsewhere in this chapter.
Table 10 KOA Screen Commands
Command |
Description |
|---|---|
ATTN |
Equivalent to pressing the Attn key on the keyboard. |
CLEAR |
Equivalent to pressing the Clear key on the keyboard. |
Table 11 KOA Flow Commands
Command |
Description |
|---|---|
ON SCREENERROR |
Branches to a labeled script command when a communication exception condition exists. |
Table 12 KOA Communication Commands
Command |
Description |
|---|---|
COLOR |
Sets the terminal’s color capabilities. |
GETSCREEN |
Receives updated information (screens and messages) from the VTAM application. |
LOGON |
Logs on to a VTAM application session. |
LOGOFF |
Logs off (disconnects) from a VTAM application session. |
SCREENMODE |
Determines which screen types are received from VTAM. |
SETSESS |
Switches to the specified session. |
TIMEOUT |
Limits the number of seconds KOA waits for a response before disconnecting the session. |
Table 13 KOA Special Variables
Variable |
Description |
|---|---|
%SESSID |
Current session identifier. |
%VTAMERR |
VTAM communication error description. |
%VTAMFDBK |
VTAM communication error information. |
%VTAMRC |
VTAM communication return code. |
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