Merge pull request nus-cs2103-AY2324S1#127 from jx124/update-ug

Update UG for AddMeeting and SortMeeting commands

docs/UserGuide.md

@@ -188,19 +188,40 @@ Parameters: INDEX (must be a positive integer)
 
 ### Add meeting time
 
-- What it does: Adds a meeting time for a lead
-- Command format: `addmeetingtime INDEX m/MEETING_TIME`
-- Example usage: `addmeetingtime 1 m/12/12/2020 12:00`
+- What it does: Adds a meeting time to a person.
+- Command format: `addmeeting INDEX m/MEETING_TIME`
+- Example usage: `addmeeting 1 m/12/10/2023 16:00`
+
+<div align="center">
+    <img src="./images/beforeaddmeeting.png" width = "500"/>
+    <p>Before using addmeeting</p>
+</div>
+
+<div align="center">
+    <img src="./images/afteraddmeeting.png" width = "500"/>
+    <p>After using addmeeting</p>
+</div>
+
 - Acceptable values for each parameter:
-    - `INDEX`: Any integer from `1` to the last index of the leads list.
+    - `INDEX`: Any integer from `1` to the last index of the displayed list.
     - `MEETING_TIME`: A string of format `dd/MM/yyyy HH:mm`.
 - Precise expected outputs when the command succeeds:
 
-`Meeting time added to <lead/client> : <meeting datetime>`
+`Added Meeting: <meeting datetime> to Person <index>`
 
 - Precise expected outputs when the command fails:
 
-`Meeting time failed to add. Please enter a valid lead id or meeting time`
+When adding a meeting time to an invalid index or with an invalid datetime format:  
+```
+Invalid command format!
+addmeeting: Adds a new meeting time to the person identified by the displayed index in the address book.
+Parameters: INDEX (must be a positive integer) m/MEETING_TIME
+Example: addmeeting 1 m/12/10/2023 16:00
+```
+
+When adding a meeting time to a person who already has an existing meeting:
+
+`Person already has a meeting time, use the edit command instead`
 
 ### Delete meeting time for lead
 
@@ -218,6 +239,28 @@ Parameters: INDEX (must be a positive integer)
 
 `Meeting time failed to be deleted. Please enter a valid lead id or meeting time`
 
+
+### Sort meeting time
+
+- What it does: Sorts the meeting times of all leads and clients chronologically, displaying 
+only entries with a meeting time.
+- Command format: `sortmeeting`
+- Example usage:
+
+<div align="center">
+    <img src="./images/beforesortmeeting.png" width = "500"/>
+    <p>Before using sortmeeting</p>
+</div>
+
+<div align="center">
+    <img src="./images/aftersortmeeting.png" width = "500"/>
+    <p>After using sortmeeting</p>
+</div>
+
+- Precise expected outputs when the command succeeds:
+
+`Sorted all meeting times chronologically`
+
 ### Convert lead to client
 
 - What it does: Converts a lead to client.
@@ -248,3 +291,4 @@ from current date to ensure a followup by the user
 - Precise expected outputs when the command fails:
 
 `The person index provided is invalid`
+