Invoke a Shiny module — callModule
  v1.11.1|Source: 
  
  
    
  
    
R/modules.R
  Description
Note: As of Shiny 1.5.0, we recommend using moduleServer() instead of
callModule(), because the syntax is a little easier
to understand, and modules created with moduleServer can be tested with
testServer().
Arguments
Value
The return value, if any, from executing the module server function