title: Custom module using vtlib with step by step in vTiger7
body: <p>I need to create a custom module in vTiger, but it should have all kind of variations in terms of field data types, default values, dependent picklists, relation fields [UI Type 10], etc.</p>
  
  <p>I have installed the latest stable version of vTiger7, but I'm unable to start the entry point of this code, so let me know how to start.</p>