Example :
In the above template 'Serious Adverse Events' there are multiple forms
SAE description from SAE form
Related tests (data from PV unit summary)
SAE outcome ( from PV unit summary)
TB drug treatment (data from PV unit summary)
Other causal factors (data from PV unit summary)
In some scenarios the date entered in the forms (ex:- Date Of SAE Report ) should be used as the obsDate time for all the forms in that template.
...
to the BahmniObsValueCalculator.groovy file :
Ex: 
The template name is the first entry ( Ex: "Serious Adverse Events Template" is the fully specified name for "Serious Adverse Events")
...