Open your App Part from Solution explorer
Add Client Web part (Host web)..if you don't added to solution
Go to "Element.xml" under client web part
You will see Properties Inside Properties,
add one or two properties..
Save
If you want to access these propreties in the Host page load..use below code in page load
Add Client Web part (Host web)..if you don't added to solution
Go to "Element.xml" under client web part
You will see Properties Inside Properties,
add one or two properties..
Save
If you want to access these propreties in the Host page load..use below code in page load
