The post describes several methods to retrieve multiple records from Dataverse
Retrieve data using C#
Query Expression
FetchXML
LINQ
Note: Early binding is required for this. In this example, there would need to be an early binding file for ‘SystemUser’ (Figure 5)
Retrieving data using TypeScript / JavaScript
Web API
Example 1
Example 2
Figure 8 & 9 represents how Figure 7 can be updated to use a custom helper function setLookupValue(). For more information see Get and set a dataverse lookup column
Example 3
Further reading
Make XRM WebAPI calls synchronous