💫🗒️ERP Systems: Microsoft Dynamics 365's Business Performance Analytics (BPA) [notes]

Disclaimer: This is work in progress intended to consolidate information from the various sources and not to provide a complete overview of all the features. Please refer to the documentation for a complete overview!

Last updated: 15-Mar-2025

[Dynamics 365] Business Performance Analytics (BPA)

• {def} centralized reporting hub within D365 F&O designed to streamline insights and help organizations make faster, data driven decisions [3]
• solution designed to transform organization's data into actionable insights [1]
• provides an intuitive out-of-box data model along with familiar tools like Microsoft Excel and Power BI for self-service analytics [4]
• data extracted from D365 is classified in BPA in the form of value chains
• ⇐ a group of business processes on top of the value chain [4]
• {benefit} allows to simplify data insights by providing a unified view of business data across entities in near real time [4]
• {benefit} allows to streamline financial and operations reporting to reduce the cycle times [4]
• {benefit} allows users of all technical abilities to quickly access and analyze data to facilitate data driven decisions [4]
• {benefit} provides auditors with direct access to financial data, making the audit process more efficient
• {benefit} enables ease of use through familiar apps like Excel and Power BI, in addition to AI driven insights and automation in this platform that can be scalable and extendable [4]
• {feature} extends into Microsoft Fabric
• {benefit} provide a scalable, secure environment for handling large data sets and ensuring insights are always powered by the latest technology [3]
• {feature} ETL process 
• involves extracting data from finance and operations database, transforming and loading it into Dataverse [4]
• each of the entities required for the generation of the dimensional model for the value chains that were mentioned earlier, they are backed by the underlying tables in finance and operations database [4]
• installed in Dataverse, virtual  entities that are created will then pull in the data into the managed data lake [4]
• the data is then transformed to generate the dimensional  model which is then pushed into the embedded Power BI workspace in the form of analytical tables [4]
• BPA consumes this data from Power BI workspace to render the power BI reports [4]
• this data can also be extended to Fabric if there is a need to consolidate data from multiple sources [4]
• {feature} reports 
• designed to provide a detailed overview of an organization's financial health [8]
• further reports will be added to expand the coverage for the value chains [8]
• out-of-box reports can't be modified
• ⇐ users cannot rename, delete or edit these type of reports [8]
• there’s the option to duplicate the base report and edit the version thus created [8]
• can be shared with other users who have access to BPA 
• ⇐ they can receive an in-app notification [8]
• can be shared over email with another user by entering user’s email address [8] 
• one can configure whether the recipient can edit or view the report [8]
•   {feature} allows to create a new Power BI or Excel report from scratch [8]
• {option} start with a blank report or duplicate an existing report [8]
• {feature} data refresh
• automatic data refreshes run currently two times a day [4]
• at 12:00 AM and 12:00 PM UTC
• the volume of data is also constrained by the storage capacity of the A3 SKU for Power BI Embedded [1]
• future release, may support additional data reporting capacity [1]
• ⇐ so that larger data sets can be reported and analyzed [1]
• the target is to have refreshes every hour or less [3]
• data volume will be initially for about eight quarters of data [4]
• extensibility will be supported with bring your own Fabric [4]
• architecture
• SaaS solution
• {capability} immediate deployment 
• businesses can start to analyze data and generate insights with minimal setup [1]
• {capability} comprehensive reporting and dashboards
• provides access to a wide range of preconfigured reports that cover multiple business functions [1]
• {capability} near-real-time analytics 
• future releases will offer more frequent data refreshes to enable near-real-time data analysis and reporting
• {capability} predictive insights 
• future releases will introduce predictive analytics capabilities that enable businesses to 
• forecast trends
• identify risks
• seize opportunities [1]
• {capability} user-friendly interface 
• intuitive design ⇒ minimal training
• fosters broader adoption 
• enables a data-driven culture across the organization [1]
• {capability} cost-effectiveness
• available as part of D365 license
• ⇒ provides advanced analytics without requiring significant investments in IT infrastructure [1]
• DaaS solution
• {capability} organizations can integrate its data models with their existing data warehousing infrastructure in Microsoft Fabric [1]
• maximizes the value of existing data solutions [1]
• positions businesses for future enhancements [1]
• {capability} unified and scalable data models
• customers can build custom models on top of a unified framework
• ensures consistency and scalability across data sets [1]
• {capability} future-proofing with automatic upgrades
• data models integrate seamlessly with future D365 updates
• reduces manual maintenance and ensures access to the latest features [1]
• {capability} consistency and standardization
• data models provide consistency and standardization across data sources
• ensure high data quality and integrity [1]
• {capability} advanced analytics and AI 
• by customizing the data models, organizations can take advantage of advanced analytics and AI capabilities [1]
• deeper insights without having to develop them from scratch [1]
• {capability} enhanced data governance
• unified data models support better data governance by providing standardized data definitions, relationships, and hierarchies [1]
• ensure consistency and quality across the organization [1]
• requires an integrated Power Platform environment [5]
• must be integrated with the Microsoft Entra tenant [5]
• uses shared Dataverse entitlements [1]
• includes access to the data lake [1]
• setup
• dimensions
• the selection of dimensions might affect the dimension groups that are created using these dimensions and the users who are assigned there [7]
• e.g. legal entity, business unit
• dimension groups
• users can select specific values for the legal entity, or add a range of values [7]
• selecting an invalid combination of dimension values, the dimension group will filter out all the records on the report [7]
• {warning} assigning too many dimension groups to a user, slows the load for that user [7]
• roles
• determine which reports the user can access [7]
• security
• secure data through role-based access control on top of the value chains [7]
• the first user who signs into the app is assigned the BPA admin role [7]
• allows a user to access the administrator section of the BPA [7]
• where the security can be set up [7]
• has automatically assigned 
• Microsoft report viewer role 
• the All Access Dimension group [7]
• allow the admin to see the data  in all the reports across all the dimensions [7]
• {feature} dimension-based role-level security
• ensures that users only see the data relevant to them based on their role
•  confidently share reports without duplicating them
• ⇐ data is automatically filtered by organization's security policies [3]
• simple but powerful way to maintain control while providing access for teams that love working in Excel [3]
• accessibility
• can be accessed through either 
• Power Platform
• admins can access BPA app through PowerApps' makeup portal [6]
• Dynamics 365
• through the BPA preview shortcut in the homepage or the default dashboard [6]
• for end users, the BPA preview shortcut is provided when they have certain duties associated to their role(s) [6]
• licensing
• included in D365 F&O license [4]
• requirements
• requires a tier two environment and Dynamics 365 finance version 1.0.38 or later [5]
• {project} timeline
• [2025 wave 1] backup and restore custom reports and analytics
• {benefit} support better lifecycle management and empower customers to develop on sandbox instances before publishing to production [3]
• 2025: available in all regions where F&O is available [3]
• Oct-2024: GA

Previous Post <<||>> Next Post

References:
[1] Microsoft Learn (2024) Dynamics 365 Finance: What is Business performance analytics? [link]
[2] Microsoft Learn (2025) Business performance analytics (BPA) with Dynamics 365 Finance [link]
[3] Dynamics 365 Finance - Business Performance Analytics 2025 Release Wave 1 Release Highlights [link]
[4] Dynamics 365 Community (2024) Dynamics 365 Bites: Business Performance Analytics Part 1 [link]
[5] Dynamics 365 Community (2024) Dynamics 365 Bites: Business Performance Analytics Part 2 [link]
[6] Dynamics 365 Community (2024) Dynamics 365 Bites: Business Performance Analytics Part 3 [link]
[7] Dynamics 365 Community (2024) Dynamics 365 Bites: Business Performance Analytics Part 4 [link]   
[8] Dynamics 365 Community (2024) Dynamics 365 Bites: Business Performance Analytics Part 5 [link]
[9] Microsoft Learn (2024) Dynamics 365: Business performance analytics introduction [link] 

Acronyms:
AI - Artificial Intelligence
BPA - Business Performance Analytics
D365 F&O - Dynamics 365 for Finance and Operations
DaaS - Data-as-a-Service
ETL - Extract, Transfer, Load
GA - General Availability
MF - Microsoft Fabric
PP - Public Preview
SaaS - Software-as-a-Service
SKU - Stock Keeping Unit
UTC - Coordinated Universal Time

💫⚙️ERP Systems: Microsoft Dynamics 365's Vendor Invoices Processing (Setup Areas)

ERP Systems

Invoices can be set up to be imported automatically in Dynamics 365 for Finance and Operation (D365 F&O) via Invoice Capture (see process). Besides the Invoice Capture-related set up, there are several areas related to Vendor invoice's processing:

General Ledger

Accounts for automatic transactions need to be defined at least for the 'Vendor invoice rounding off' and 'Rounding variance', respectively for the 'Exchange rate gain' and 'Exchange rate loss', if this wasn't done already.

To facilitate accounts' reconciliation and reporting, one can enable a Batch transfer rule for the Source document type 'Vendor invoice' and thus one journal is used for each Vendor invoice. This also makes sure that the Description from Invoice will be taken over in the Journal, which facilitates accounts' reconciliation.

Subscription Billing

In case one needs to defer the amounts over a time interval (e.g. x months), as it's the case for prepayments, the integration with Subscription Billing on the Vendor side in F&O seems to work with minimal configuration. A Billing schedule is created for each Invoice distribution and can be modified or cancelled after the Invoice is posted, if needed.

If your organization uses Subscription Billing also for Accounts Receivables (AR), one might need to compromise on the setup because the same parameters are used for both modules. 

In what concerns accounts' reconciliation, there seems to be a 1:1 mapping between the Schedule line and the General Ledger (GL) posting, a table with the mapping between the records being available. One can build thus a Paginated report to display the mapping between AP and GL, if the infrastructure is in place (e.g. by building a data lakehouse/warehouse based on F&O, see post). 

Fixed Assets

One can enable the creation of Fixed assets by checking the "Create asset during product receipt or invoice posting" radio button in Fixed assets parameters.

The feature "create the fixed asset automatically during the time of invoice import" for PO-based Invoices (with "Create Fixed Asset" flag set at line level) doesn't seem to be supported yet.

Vendor Invoice Journals

Before Invoice Capture, Vendor invoice journals were helpful for posting summarized cost invoices that are not associated with POs (e.g. expenses for supplies or services). One can still use this approach, however if the line-based details are important, then it makes sense to use Pending vendor invoice with Service items or Procurement categories.  

A single Vendor invoice is created as one Vendor invoice journal. 

Organization Administration

When using workflows, setting the same language for all LEs can reduce the amount of redundant information maintained in the workflow(s), otherwise the texts need to be provided for each language. 

Default descriptions can be enabled for Purchase orders' invoice ledger and vendor to carry the same description entered Pending Vendor Invoices in Invoices and Journals. The functionality works also for Cost invoices.

Ideally, Invoice's description should have been maintained in Invoice capture and/or Microsoft should have provided a default description also for it. 

System

Unless there's a requirement to post manually the journals from subledger to GL, a batch transfer for subledger journals must be created for each LE.

One can enable email notifications for the users participating in workflows and use workflow delegations for the intervals the respective users are on leave. 

All users participating in the workflow must be available also as active employees. It makes sense to do latest when the integration goes Live. Moreover, the Users need to have the appropriate permissions for the roles they have in the process.

Vendor Invoice Automation

There's further functionality available under the 'Vendor Invoice Automation' label (see [1], [2]), though the following are the most important ones: 

• Automatically apply prepayments to vendor invoices
• Automatically submit imported invoices to the workflow system.
• Match product receipts to pending vendor invoice lines.

Recurring Vendor Invoice Templates

Microsoft introduced with 10.0.38 PU a new feature called 'Vendor invoice templates', which allows creating recurring vendor invoices without the need to enter all the vendor invoice information for each separate invoice (see [3]). There seems to be no information available whether any integration between this feature and Invoice Capture will be supported.

E-Invoicing

EU countries need to enforce the Directive 2014/55/EU for Vendor and Customer invoices. The directive requires that the electronic exchange of invoice documents between suppliers and buyers to occur over government-held third-party solutions. Each country has its own system(s) and regulations with different scope and timelines. Some countries have already requirements for 2024, respectively 2025 and there are similar projects in US and other countries. 

Even if Microsoft started this year (2023) to provide country-specific integrations for e-Invoicing, for the moment there seem no information available on how e-Invoicing will integrate with Invoice Capture.

Previous post <<||>> Next post

Resources:
[1] Microsoft Learn (2023) Vendor Invoice Automation (link)
[2]Microsoft Dynamics 365 (2023) The Future of Finance: Unlocking the Benefits of Accounts Payable Automation (link)
[3] Hylke Britstra (2023) Recurring vendor invoice templates (link)
[4] Dan Edwards (2023) AP Automation at DynamicsCon (link)

💫⚙️ERP Systems: Microsoft Dynamics 365's Invoice Capture (Setup Areas)

ERP Systems

When implementing the Invoice Capture process, there are several setup areas that need to be considered into the Power App (Channels & Mapping Rules), some that need to be done in Dynamics 365 for Finance and Operations (D365 F&O) and impact the integration with the Power App (Expense types/Procurement categories, Financial dimensions, Approval workflow), respectively setup that concerns only D365 F&O but still important. In addition, there are also overlapping features like Recurring Vendor Invoice Templates and E-Invoicing.

This post focuses on the first two types of setup areas, the rest following  in a second post. 

Channels

In the digitalization era, it's expected that most of the Vendor invoices are received by email or an integrated way (see e-Invoicing). However there can be also several exceptions (e.g. small companies operating mostly offline).

In Invoice Capture can be defined one or more channels for Outlook, SharePoint or OneDrive on which Invoices can be imported in the App. In a common scenario, depending on the number of mailboxes intended for use, one or more channels can be set up for Outlook. Power App listens on the respective channels for incoming emails in the Inbox, in a first step processes the emails by importing all the attachments (including signature images), while in a second step processes all the documents that look like an Invoice (including Receipts) and extracts the metadata to create the Invoice record. The Invoices received in hard-paper format can be scanned and sent to one of the internal mailboxes, respectively imported manually in Invoice Capture. 

More likely, there will be also a backlog that can be imported via SharePoint or OneDrive, which is more convenient than resending the backlog by email. In the end it should make no difference for the process which channels is used as long as the Invoices are processed in a timely manner. It should make also no difference if for example in UAT were used other channels than in Production. For testing purposes it might be advantageous to have more control over which Invoices are processed, while the UAT could follow the same setup as Prod, which is generally recommended.

Mapping Rules

The mapping rules allow on one side to set default values based on a matching string checked against several attributes (e.g. Company name, Address or Tax registration number for Legal entity, Item number for Item, Item description for Expense type). Secondly, they allow to also define a configuration for a rule, which defines what fields are mandatory, respectively which Invoice types are supported, etc.

The mapping rules will not cover all scenarios, though it's enough if they cover a good percentage from the most common cases. Therefore, over time they are also good candidates for further optimization. Moreover, because Invoice Capture remembers the values used before for an instance of the same Invoice, the mapping rules will be considered only for the first occurrence of the respective Invoice or whatever is new in its processing. 

If a channel was defined for each Legal entity, this seems to make obsolete the definition of mapping rules for it. Conversely, if the number of manual uploads is not neglectable, it still makes sense to define a mapping rule. 

Mapping rules for the Expense type seem to work well when Items' descriptions are general enough to include certain words (e.g. licenses, utilities). 

One can define mapping rules also for the Vendor accounts and Items, though it's questionable whether the effort makes sense as long as the internal Vendor names and Product numbers don't deviate from the ones used by the Vendor itself.

Expense Types

Invoice Capture requires that either the Item or the Expense type are provided on the line. For PO-based invoices, an Item should be available. Cost invoices can have Items as well and they can be used on the line, though from the point of view of the setup it might be easier to use Expense types. It's the question whether the information loss has any major impact on the business. There are also cases in which the lines don't bring any benefit and can be thus in Invoice capture deleted. 

At least for Cost invoices, the Expense types (aka Procurement categories in Dynamics 365) defined can considerably facilitate the automatic processing. D365 F&O can use the Procurement category to automatically populate the Main Account in the Invoice distributions. The value is used as default and can be overwritten, if needed. 

Having for example a 1:1 mapping between Procurement categories and Main accounts, respectively the same names can make easier the work of AP Clerks and facilitate the troubleshooting.

Conversely, one can define an additional level of detail (aka an additional segment) for reporting purposes. This implies that multiple categories will point to the same Main account, which can increase the overhead, though the complexity of the structure can be simplified by using maybe a good naming convention and a consolidated Excel list with the values. The overhead resumes mainly when dealing with the first instance of an Vendor invoice.

On Procurement categories can be defined also the default Item sales tax groups (a 1:1 mapping) which can be overwritten as well. For the categories with multiple Items sales tax groups, one should decide whether the benefit of providing a default value outweighs the effort for adding the value for each Invoice line. 

Defining upfront, before the Go Live, a good hierarchical structure for the Procurement categories and the mappings to the Main accounts, respectively to the Item sales tax groups can reduce the effort of maintaining the structure later and reduces the reporting overhead. 

Financial Dimensions & the Vendor Invoice Approval Workflow

Besides their general use, the Financial dimensions can be used to implement an approval process on D365 F&O side by configuring an expenditure reviewer (see [2]) and using it in the Vendor Invoice Approval workflow, respectively of setting up the financial owners for each dimension in scope. Different owners for the Financial dimensions can be defined for each Legal entity via Legal entity overrides. From what it seems, notifications are sent then to the override as well to the default owner. 

Starting with the 1.1.0.32 (07-Nov-2023) version of Invoice capture, respectively the 10.0.39 version of D365 F&O (planned for Apr-2024), 3 financial dimensions (Cost center, Department and Legal Entity) are supported directly in the App. This would allow us to cover the example covered in [2]). This reduces the need for maintaining the values in D365 F&O. 

Unfortunately, if the approval process needs to use further dimensions (e.g. Vendor, Location) or attributes (e.g. Invoice responsible person) in the approval, one needs either to compromise or find workarounds. If there's no Purchase order as in the case of Cost invoices, involving the actual Buyer is almost impossible. For such extreme cases one needs more flexibility in the approval process and hopefully Microsoft will extend the functionality behind it.

The approval processes needed by customers require occasionally a complexity that's not achievable with the functionality available in D365 for F&O. The customers are forced then either to compromise or use external tools (e.g. Power Automate) for building the respective functionality. 

One should consider defining default Financial dimensions on the Vendor, the respective values being used when generating the Invoice in D365 F&O. Defining Financial dimensions templates can help as well when the costs need to be split across different Financial dimensions based on percentages. 

In case the financial dimensions differ across a same Vendor's invoices, one can request from the Vendors to provide the respective information on the Invoice. 

Organization Administration

Cost invoices can work without providing a Unit of Measure (UoM) in Invoice capture, however one should consider using an UoM at least for aesthetic purposes in reporting. On the other side, this can complicate the setup if the same UoM is used for other purposes. 

Vendor Invoice Automation

To be able to process automatically the Vendor invoices once they arrived in D365 F&O, it would useful to maintain the attributes which are modified manually in D365 F&O directly in Invoice Capture. The usual fields are the following:

• Invoice description (header)
• Financial dimensions 
• Sales item tax group

Master Data Management

There are master data attributes which even if they are not directly involved in the process, they could make process actor's life a bit easier. It can be the case of the Responsible person and/or the Buyer group, which would allow the AP Clerks to identify the Cost Center and Department related to the Invoice. Maintaining the external Item descriptions for Vendors can help as well in certain scenarios. 

Previous post <<||>> Next post

Resources:
[1] Microsoft Learn (2023) Invoice capture overview (link)
[2] Microsoft Learn (2023) Configure expenditure reviewers (link)

🧮ERP: Implementations (Part IV: Introducing an Upfront Proof-of-Concept Setup)

 

The standard phases of an ERP implementation are mandatory and inflexible as there seems to exist a imposed succession of the phases rooted in customer’s need of having an upfront cost estimate for the project. Moreover, the concept-based approach reflected in the creation of a set of Functional Design Documents (FDDs), even if it’s supposed to increase an implementation’s accuracy, it brings considerable challenges and an effort volume that could be spent in other areas. E.g., having a proof-of-concept setup subproject early in the project seems to bring more benefits.

Usually, before or during the requirements gathering phase the functional consultants together with the key users look at the legacy system(s) and data, questions are asked on both sides, and the findings are hopefully documented, though the outputs are high-level ideas or process design sketches. The sessions are abstract, and besides diagrams there’s no feedback mechanism to make sure that the parties understood customer’s processes and data structures, respectively that the key users understood what the future system is supposed to deliver. Some projects consider the building of 'AS-IS' diagrams and/or user stories during this phase, though their impact on project’s outcomes is questionable.

Why not include in this phase also hand-on training sessions for the key users during which a system is set up based on the available information? For example, one can start with an existing shell of the system reflecting standard parameters used in the industry where the customer works. Starting from this shell the key users and consultants go through the various processes and business scenarios, change parameters, add master data manually, sketch how the process could look like, respectively understand the gaps from expectations, or maybe how the process can be changed to avoid customizations. That’s more effective than discussing over and over the data structures and processes!

Of course, this seems to increase exploratory phase's complexity, though the increase is apparent. Allowing key users to understand how the target system works has the potential of simplifying project's planning and execution. Besides reaching a common understanding of the functionality, the key users can better evaluate whether the target system satisfies the high-level requirements, respectively better perform the various activities - requirements’ definition, reviews and user acceptance testing benefiting altogether. Moreover, they can train and involve other users earlier.

For this to work there are several assumptions. First, that the functional consultants know the target system(s), which is not necessarily needed in other approaches where a person (e.g. business analyst) who can understand how a system works and can document processes is enough. Second, the key users must have a good understanding of the legacy systems. Third, the shell should reflect the business needs as much as possible. Fourth, the necessary financial resources need to be made available upfront. Fifth, the business commitment must be there, and with this the key users should focus only on the project.

However, the most important aspect is that the parties involved need to buy and support the idea! The FDDs bring a safety net and make sense for both parties, the setup being performed only after the signoff. On the other hand, because of the considerable number of iterations FDDs involve high costs. Performing first the setup as described above and writing later the FDDs, if still needed, should improve FDDs’ quality, and require fewer iterations.

This approach allows an important volume of work to be done upfront, and even if further effort is needed for customizations and testing, a lower level of coordination is needed later, reducing thus the complexity of the planning and of the overall project.

Previous <<||>> Next

🧮ERP: Implementations (Part I: The Process Seems to be Broken)

 

Participating in several ERP implementations, one has the expectation that things will change for the better when moving from one implementation to another. Things change positively in certain areas as experience is integrated, though on average the overall performance seems to be the same. Thus, one may wonder, how can this happen? Of course, there are so many explanations - what went wrong, what could have been done better, and the list is usually quite big. However, the history repeats in the next implementation. Something seems to be broken, or maybe this is the way implementations should work, though I doubt this!

An ERP implementation starts with a need and the customer usually has an idea of what the respective need is about. It might even have a set of high-level or even low-level requirements, which should be the case when starting on such a journey. Then the customer selects an implementation partner, event followed by a period of discovery in which the partner learns more about the business including the overall infrastructure, business processes, data and people. Once the requirements are available, the partner can evaluate them to identify the deviations from the standard functionality available and that translate into customizations, sketch solutions, respectively make a first estimate of the costs and resources needed.

Of course, there can be multiple iterations of the process in which the requirements are reviewed, reevaluated, justified, prioritized by all parties and a common understanding, respectively an agreement on the scope and expectations is reached. In the process some requirements are dropped, others are modified or postponed for a later phase or later phases. The whole process can take a few months, though it’s mandatory for creating a workable estimate used as basis for the statement of work and the overall contract.

In parallel the parties can also work on a project plan and agree upon a project methodology, following that once the legal paperwork is signed, resources to be allocated to the project. A common practice is then for the functional consultants to generate based on the requirements a set of documents - functional design documents (FDD), process diagrams - that should be used as basis for the setup, for programming the customizations and User acceptance testing (UAT). Of course, the documents need to be reviewed by the business, gaps or misunderstandings mitigated, and this takes several iterations until the business can sign-off on the respective documents. It’s the point where the setup and programming can start, usually half a year, or even a year or more after the initial steps.

Depending on the scope, in the best-case scenario the setup will take one to two months, at least until having a system ready for UAT with business data as needed for Go-Live. The agreed customizations can translate in further months and effort not only for programming, but also for testing, reviewing and further mitigations. This would be the time when many of the key users see for the first time a working version of the system, which frankly might be too late. Of course, they read and reread the FDDs, though until this point everything was very abstract and no matter how good such documents were written, they can’t replace the hand-on experience with working with the system, discovering the functionality, understanding how it works.

In the best-case scenario, the key-users are satisfied with the results and the UAT, respectively Go-Live can go on as planned, however the expectations for first time right are seldom (never) met. Further iterations and delays are then involved. Overall, the process doesn’t seem to be efficient!

Previous <<||>> Next