diff --git a/.gitattributes b/.gitattributes
index 499ee3e..edd34fe 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,3 @@
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 Practical/Assignment-3/Salesforce[[:space:]]Apex[[:space:]]-[[:space:]]Reference[[:space:]]Guide.pdf filter=lfs diff=lfs merge=lfs -text
+Practical/Assignment-3/Demo-3.mp4 filter=lfs diff=lfs merge=lfs -text
diff --git a/Practical/Assignment-3/Demo-3.mp4 b/Practical/Assignment-3/Demo-3.mp4
new file mode 100644
index 0000000..4af8b68
--- /dev/null
+++ b/Practical/Assignment-3/Demo-3.mp4
@@ -0,0 +1,3 @@
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