Automatically assign value in custom field 2 based on value selected in custom field 1

Added by Balaji Durai 5 months ago

Environment:
 Redmine version 3.4.1.stable
 Ruby version 2.3.3-p222 (2016-11-21) [i386-mingw32]
 Rails version 4.2.8
 Environment production
 Database adapter Mysql2
SCM:
 Git 2.7.4
 Filesystem 
Redmine plugins:
 no plugin installed

OS 
 Windows

I am new to redmine and need help on the below request
Requirement -1 :
Custom Field 1 with type as List : A , B , C
Custom Filed 2 with type as List : A11 , A12 , B11 , B12 , C11, C12

If Custom Field 1 as A ,
then Custom Filed 2 should display value as A11 , A12

If Custom Field 1 as B ,
then Custom Filed 2 should display value as B11 , B12

Requirement -2 :
Custom Field 1 with type as List : A , B , C
Custom Filed 2 with type as text :

If Custom Field 1 as A ,
then Custom Filed 2 should display value as " A"

If Custom Field 1 as B ,
then Custom Filed 2 should display value as "B"

Can you please help on this requirement and provide steps if available .