Hello Youraj,
The regular steps are:
You add the customer fields in CI_RPM_ITEM_ATT. It is advised to user Y_/Z_ as a prefix to the field name (to avoid problems with future releases). Also, you need to activate the Structure.
If you go into the DDIC structure /RPM/TS_ITEM_D_UI, you should be able to see the newly created fields.
In component /RPM/ITEM_DETAILS, you cannot directly enhance the context nodes. Unfortunately you'll have to do this via coding. You need to create a new node, maybe Y_ITEM_ATTRIBUTES, with the dictionary structure /RPM/TS_ITEM_D_UI, but only add your custom attributes.
In the VI_GEN_INFO view, you can add your elements (input fields, labels, etc.) which you must map to the newly created node.
Go back to the component controller, and create a post-exit for WDDOINIT, here you'll have to change the context. You'll have to rebuild the ITEM_ATTRIBUTES node with the new structure.
(You can obviously do this from the beginning and create all the UI elements dynamically)
Next step, you need to create a pre-exit for method WDDOMODIFYVIEW, here you'll have to check the parameter first_time. Here you need to remap the context. Meaning you'll have to change the binding path of all your Y_/Z_ UI elements.
This might be difficult at first, but you'll figure it out and then it will get easier.
Hope this helps!
Tudor
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