Need to use ignore participant in BPM for PO Workflow

Summary

Need to use ignore participant in BPM for PO Workflow

Content

Hi All,

We are having a requirement in PO Workflow and we are using change type (Entity change type) which is a document line level attribute for some of the rules in the workflow. Now what happens is since change type is at line level, the workflow executes for every line. For some of the lines we need to skup the participant. We heard that we can use the "CALL" type which can use "IgnoreParticipant_V2 ()". But for Ignoreparticipant to work, one of the parameter is the DimensionID. How do I get the Dimension Id for Purchase order line stage. The is