Workflow step (Approve Action) calling custom Java Service and "passing params"

Good Afternoon, Fellow Coders!
Normally I research and do proof of concepts until I find a solution but given super tight deadlines, I just don't have time - so I need your help.
I am trying to have an Workflow Approve Action (Workflow Exit Event idocScript call) call a Custom Component (Java Service) AND "pass" some kind of parameters (bare minimum dDocName)
In a perfect world it would be as simple as: processContentInfo(String dDocName, String xMyCode1, String xMyCode2);
But since I am calling the Java Service from idocScript (via executeService) I cannot directly pass params via the API.
Is there a simple way to do this??
It seems like if you can't directly pass params you could at least set them in the managed container (m_binder) and just know to pick them up on the Java side via some DataBinder like m_binder.getLocal(
Am I missing a simple idocScript function that will let you do this?
Note: I am NOT executing the Service from a URL so the normal ?param1&param2 -> m_binder.getLocal solution is no good.
Also, Bex's book warns about Service Classes "not easily being able to call other UCM Services".... My Custom Service needs to do exactly that (as well as JDBC and other stuff). Is this really an issue??
Seems like as long as I have dDocName I could use RIDC to hit whatever I want as long as I know how to use a binder, etc - is there some mystic nuance that prevents this? Or was he just saying it's hard UNLESS you know RIDC well??
Any and all quality advice is appreciated! And please, try to give me a detailed answer as opposed to something vague like "try a Service Handler", I need something I can quickly digest.
Thanks in advance!

You can set parameters for the service call by setting Idoc Script variables before you call executeService.
<$dDocName="TEST12345"$>
<$param1="09876"$>
<$param2="ABCDEFG"$>
These variables are then available via the service DataBinder.
Here is information about how to execute a service from a custom component. There should not be any issues doing this.
http://www.redstonecontentsolutions.com/5/post/2012/05/executing-a-service-from-aservicehandler.html
http://jonathanhult.com/blog/2012/06/execute-a-service-from-a-java-filter/
Jonathan
http://jonathanhult.com

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user8374822 wrote:
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