Creating a module record from a workflow via webservice

[joebordes]

The webservice interface uses an enhanced identifier structure which is defined by the ID of the module, followed by the letter x and then the crmid of the exact record. So with one ID we know the module and the exact record. I'm not quite sure why this is like this, nor why the module identifier isn't the same as the module's tabid (vtiger_tab) which would have seemed logical and what I would have done.

I have asked this question in the vtiger CRM developer's list a few times but I was totally ignored as usual (!!).

In any case, you are correct, you will be safe getting the Users module webservice id from the table and using that value instead of a hardcoded "19"