Microsoft Dynamics 365 Business Central Developer Practice Tests and PDFs

For the Install codeunit required for the extension used for installing or updating the Housekeeping app, you should use the following data type and declaration: Data type for information: ModuleInfo Start of the declaration of the method or procedure to perform the tasks: local procedure In AL language, which is used for developing extensions in Business Central, an Install codeunit is a special type of codeunit that is used to handle installation or upgrade logic for an extension. ModuleInfo is a data type that contains information about the current extension, such as its version. It is typically used within the OnInstallAppPerCompany or OnUpgradePerCompany triggers of an Install codeunit to determine if the app is being installed for the first time or upgraded. A local procedure within an Install codeunit is a method that is only accessible within the codeunit itself. It is not visible to other objects or extensions. This is suitable for tasks that are internal to the installation process and should not be exposed globally. These selections align with the requirements of handling installation and update procedures in a controlled and encapsulated manner within Business Central extensions.

var TempBlob: Codeunit "Temp Blob"; IncidentOutStream: OutStream; IncidentInStream: InStream; ImageFilter, FileName: Text; begin // Initialize the TempBlob and streams TempBlob.CreateOutStream(IncidentOutStream); Rec.Image.ExportStream(IncidentOutStream); // 'Rec' refers to the current Room Incident record TempBlob.CreateInStream(IncidentInStream); // Set the filters and filename for the image ImageFilter := 'Image Files (*.bmp,*.jpg,*.jpeg,*.gif)|*.bmp;*.jpg;*.jpeg;*.gif'; FileName := 'Customer Picture'; // Prompt the user to download the image if not DownloadFromStream(IncidentInStream, '', 'Download Incident Picture', '', ImageFilter, FileName) then Error('Unable to download the image.'); end;

In Business Central, fields in tables are assigned specific data types that determine the kind of data they can store. For the Non-conformity table mentioned in the case study, the following data types should be used: Date for the Non-Conformity Date field: This is because the Non-conformity Date field is required to store only the date when the non-conformity was recorded. The Date data type is appropriate for storing dates without times. Code for the Non-Conformity Number field: The Non-conformity Number field is described to use alphanumeric values with a format that includes "NC" and the year, like "NC24-001". In Business Central, the Code data type is used for fields that store alphanumeric keys. It is a text field with a limited length, which makes it suitable for number series that contain letters and numbers. Other options are not suitable:

codeunit 52102 "POS API Management" { Access = Public; Permissions = TableData "POS Information" = rwdx; trigger OnRun() begin readAPI(); end; procedure readAPI() begin // Your code here to read from the POS API end; }