diff --git a/.gitattributes b/.gitattributes
index 544c206..499ee3e 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,2 @@
 Practical/Assignment-1/AWS[[:space:]]EC2[[:space:]]-[[:space:]]User[[:space:]]Guide.pdf filter=lfs diff=lfs merge=lfs -text
+Practical/Assignment-3/Salesforce[[:space:]]Apex[[:space:]]-[[:space:]]Reference[[:space:]]Guide.pdf filter=lfs diff=lfs merge=lfs -text
diff --git a/Practical/Assignment-3/Salesforce Apex - Reference Guide.pdf b/Practical/Assignment-3/Salesforce Apex - Reference Guide.pdf
new file mode 100755
index 0000000..1003099
--- /dev/null
+++ b/Practical/Assignment-3/Salesforce Apex - Reference Guide.pdf	
@@ -0,0 +1,3 @@
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