In case you are looking to give write permissions to an app, here is what you are required to do:
Source: splunk docs
Steps
1 From the Splunk Home page, select any app in the Apps Panel to open the app.
2 Click on the Applications menu in the Splunk bar, and select Manage Apps.
3 Find the app that you want to adjust permissions for and open its Permissions settings.
4 On the Permissions page for the app, give the role Read and Write permissions.
5 Click Save to save your changes.
... View more