In case you have not tried:
If you are trying to pass the parameter from a model with 1 row, you can use that as a query:
{{{$Model.YOURMODELNAME.data.0.FIELDNAME}}}
replace yourmodelname and fieldname by appropriate values
In case you have not tried:
If you are trying to pass the parameter from a model with 1 row, you can use that as a query:
{{{$Model.YOURMODELNAME.data.0.FIELDNAME}}}
replace yourmodelname and fieldname by appropriate values