How to validate a specific field value is changed in SharePoint List using MS Flow

In this post let us how to validate a specific field value is updated in a SharePoint List using MS Flow

in order to achieve this we need to enable "versioning" to the SharePoint List. 

How to enable this:

Now let us get started:

Create a MS Flow with trigger: "When an item is created or modified"

Let us below actions to validate the changes to a specific field

• Send an HTTP request to SharePoint (to get the field values - version based)
• Select (to select only required fields)
• Condition (to evaluate the values as per the requirement)

Values in the condition: 

first (body('Select'))?['Title'] and last(body('Select'))?['Title']