I have a requirement where I have to trigger a PI interface and hold the response in Service Order in PM.Then subsequently I have to change the status of the Service Order on saving.
To achive this, I thought of putting a new Button 'Call Business Service' in top left corner in the Header tab. On clicking this new button a new screen will open and hold the response coming from the PI interface and then once the data is populated and I can save the Order.
My question is
1) What are the customisation required to introduce a new Button in the top left corner in Header tab ? ( Marked in the below screenshot with a thick line)
2) What are the customisation required to open a new screen on clicking the button mentioned in above point?
Also , I open for any other solution.
Thanks in advance.