Firstly, I would like to describe the app that we will use today.
We have a Purchase Tracking Application that enables us to view Open Purchasing Orders and create New Purchasing Order. As you can see, our application has two button on the Main Screen. We will proceed with the View Orders Button.
After we click View Orders Button, it leads us to screen that has Purchasing Orders Gallery.
If we want to filter that gallery with a text, we should put a text input component firstly by using Insert Menu.
And then, we need to write:
Filter(YourDataSourceName, StartsWith(ColumnName, TextInput.Text) to the Items part of the Gallery. In this case, my datasource is SharePoint and name of the list is Employee.
We will remove the Default Text which is “Text Input”. And then lets look how does it work: