additional bit of the code:
for (var i = 0; i < lineCount; i++) {
var isSelected = serverRequest.getSublistValue({
group: 'custpage_sublistid',
name: 'custpage_checkbox',
line: i
});
if (isSelected === 'T') {
var tranInternalID = serverRequest.getSublistValue({
group: 'custpage_sublistid',
name: 'custpage_internalid',
line: i
});
var isRejectButtonClicked = serverRequest.getSublistValue({
group:'custpage_sublistid',
name: 'rejectbuttonid',
line: i
});
isRejectButtonClicked = isRejectButtonClicked === 'T';
if (isRejectButtonClicked) {
record.submitFields({
type: record.Type.SALES_ORDER,
id: tranInternalID,
values: {
custbody_test: 'Rejected'
}
});
} else {
record.submitFields({
type: record.Type.SALES_ORDER,
id: tranInternalID,
values: {
custbody_approved: 'T'
}
});
}