My Inbox - Approve Purchase Requisitions
Application component: Fiori UI for Purchasing Approval
App type: Transactional
Line of business: Sourcing and Procurement
Leading industry: Cross Industry
Solution capability: Self-Service Requisitioning (S/4)
Description:  With the transactional app My Inbox, you can make important decisions via mobile or desktop devices anywhere and anytime. Using this app, you can process your standard and custom workflow tasks based on the decision options defined in the back-end system. All Items Inbox: With the My Inbox app, we deliver a preconfigured All Items tile in the SAP Fiori launchpad, which enables you to easily process all your tasks. (Note: You must add the All Items tile from the catalog to view this tile in the SAP Fiori launchpad.) Scenario-Specific Inbox: The My Inbox app also offers you the possibility to define your own workflow scenarios and create scenario-specific tiles in the SAP Fiori launchpad. Outbox: With the My Inbox app, you can configure the Outbox tile, which enables you to view the completed and suspended tasks. 
You can use the My Inbox to release purchase Requisitions. Either via processing the purchase contract tasks in the "All Items" Tile or by defining an own "Approve Purchase Requisitions" Tile
Key features:   Process tasks from your SAP Business Workflow, SAP Business Process Management (BPM), and 3rd party providers. Define the decision options you want to display (for example, approve or reject). Perform the standard actions (for example, claim, release, or forward a request).These actions are available by default; no customizing is needed in the back-end system.  Perform mass actions, that is, process several tasks of the same type at the same time. View and add comments. View custom attributes that provide additional information about the task instance. View, upload, and delete attachments. Create and manage substitution rules to manage the tasks in your absence. Send emails or post tasks on a preconfigured JAM site. View the business cards of the application users. Browse, sort, filter, and group tasks requiring action. Extend the standard application to cover additional UI or functionality needs. Easily process all your tasks with the preconfigured All Items tile. View the support information of the application to resolve error conditions. View the task history for Business Workflow tasks. View the additional information provided in the object links for Business Workflow tasks. View the completed tasks and suspended tasks from Outbox tile. Filter the tasks based on substitute users.  Filter the tasks using the filter criterion My Tasks and Tasks on Behalf of.  Have custom attributes in the List View such as CustomTaskTitle, CustomNumberValue, CustomNumberUnitValue, and CustomObjectAttributeValue. View custom SAP Fiori applications in the Detail view. Configure an alternate view of My Inbox for expert users for All Items tile or scenario-specific tile, where tasks can be viewed in tabular form.  Note Open task feature is not supported in mobile devices. 
Business roles: Other| Manager - Procurement
Manager - Procurement : 
Approves purchasing demands from employees. Has a special KPI view on spend budget.