Why is the Patch function used in canvas apps?

Question

Please can any one explain to me what is Patch function in PowerApps? and  Why is the Patch function used in canvas apps?

Answer 1

What's the Patch Function in PowerApps?

In PowerApps, the Patch function is used to generate a record in the data source or to edit single or several records without impacting other attributes.

Using Patch function, You can do the following:

• Use Patch with the Defaults function to create records.
• Modify one or more records of a data source.
• Update the records in a data source without affecting other properties.
• Perform the updates that require no user interaction.
• Use the ForAll function to update or create multiple records using the Patch function

For more details check this article Power Apps Patch function