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These Built-In Functions allow multiple concurrent connections in the same function.

3.3.1 JSMX_BEGIN

Initialize or re-initialize the service program internal state.

3.3.2 JSMX_OPEN

Open service

3.3.3 JSMX_COMMAND

Send command.

3.3.4 JSMX_CLOSE

Close service.

3.3.5 JSMX_END

End and re-initialize the service program internal state.

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Overview of field and list exchange

Command



No fields

No list

Command SERVICE_EXCHANGE(*FIELD|*FIELDS)



Fields

No list

Command


#WRKLST

No fields

List

Command

#FLDLST


Specified fields

No list

Command

#FLDLST

#WRKLST

Specified fields

List

Command SERVICE_EXCHANGE(*FIELD|*FIELDS)


#WRKLST

Fields

List

Command SERVICE_EXCHANGE(*FIELD|*FIELDS)

#FLDLST

#WRKLST

Specified fields

List

Info

Specified fields takes take precedence over SERVICE_EXCHANGE(*FIELD) or SERVICE_EXCHANGE(*FIELDS) keyword.