Thank you @Bryan Bende! I thought variable registry could be modified on runtime to change workflow behavior. I think I'm not going to use the REST API to solve my design. It only implies penalization to the performance due to it is going to be done each time a new message from a sensor arrives. I could do the it obtaining those values from a DB but it has the same penalization. I will do a more static approach, routing with attributes and changing the design if the categories and/or the types of the sensors change. ... View more

Thank you @Shu again! I didn't know that attributes where accessible over the flow to use them later. I use the first approach. ... View more

Thank you @Shu! I already have the processor configured with the URI instead of the EL, but I supposed that I could use a variable to set the value of any property. Now, thank to you, I know for sure that I have to check if it support as value an EL. ... View more