use-cases/complete-tasks-from-messages.md Codex Docs, 2026-04-23 12:28 UTC → 2026-05-07 20:02 UTC

1# Complete tasks from messages | Codex use cases1---

2 2name: Complete tasks from messages

3Codex use cases3tagline: Turn iMessage threads into completed work across the apps involved.

4 4summary: Use Computer Use to read one Messages thread, complete the task, and

5![](/assets/OpenAI-black-wordmark.svg)5 draft a reply.

6 6bestFor:

7![Codex](/assets/OAI_Codex-Lockup_Fallback_Black.svg)

8 

9Codex use case

10 

11# Complete tasks from messages

12 

13Turn iMessage threads into completed work across the apps involved.

14 

15Difficulty **Easy**

16 

17Time horizon **5m**

18 

19Use Computer Use to read one Messages thread, complete the task, and draft a reply.

20 

21## Best for

22 

23 - Message threads that contain a concrete request, follow-up, or booking task

24 - Work that needs a quick check across Messages plus a few related apps

25 

26# Contents

27 

28[← All use cases](https://developers.openai.com/codex/use-cases)

29 

30Copy page [Export as PDF](https://developers.openai.com/codex/use-cases/complete-tasks-from-messages/?export=pdf)

31 

32Use Computer Use to read one Messages thread, complete the task, and draft a reply.

33 

34Easy

35 

365m

37 

38Related links

39 

40[Computer Use](https://developers.openai.com/codex/app/computer-use) [Customize Codex](https://developers.openai.com/codex/concepts/customization)

41 

42## Best for

43 

44 - Message threads that contain a concrete request, follow-up, or booking task7 - Message threads that contain a concrete request, follow-up, or booking task

45 - Work that needs a quick check across Messages plus a few related apps8 - Work that needs a quick check across Messages plus a few related apps

9starterPrompt:

10 title: Finish One Task From a Message Thread

11 body: >-

12 @Computer Look at my messages from [person].

46 13 

47## Starter prompt

48 14 

49 @Computer Use Look at my messages from [person].

50 Then:15 Then:

16 

51 - understand the request17 - understand the request

18 

52 - complete the task across the apps involved19 - complete the task across the apps involved

20 

53 - draft a reply in the same thread21 - draft a reply in the same thread

54Pause before anything irreversible, such as placing an order or confirming a booking.

55 22 

56[Open in the Codex app](codex://new?prompt=%40Computer+Use+Look+at+my+messages+from+%5Bperson%5D.%0A%0AThen%3A%0A-+understand+the+request%0A-+complete+the+task+across+the+apps+involved%0A-+draft+a+reply+in+the+same+thread%0A%0APause+before+anything+irreversible%2C+such+as+placing+an+order+or+confirming+a+booking. "Open in the Codex app")

57 23 

58 @Computer Use Look at my messages from [person].24 Pause before anything irreversible, such as placing an order or confirming a

59 Then:25 booking.

60 - understand the request26relatedLinks:

61 - complete the task across the apps involved27 - label: Computer Use

62 - draft a reply in the same thread28 url: /codex/app/computer-use

63Pause before anything irreversible, such as placing an order or confirming a booking.29 - label: Customize Codex

30 url: /codex/concepts/customization

31---

64 32 

65## Introduction33## Introduction

66 34 

77 45 

78For example:46For example:

79 47 

80- `@Computer Use Look at my messages from [person]. Check my availability, find 2 dinner options in Hayes Valley, and draft a reply in the same thread. Check in with me before completing booking.`48- `@Computer Look at my messages from [person]. Check my availability, find 2 dinner options in Hayes Valley, and draft a reply in the same thread. Check in with me before completing booking.`

81 49 

82## Practical tips50## Practical tips

83 51 

100### Suggested prompt68### Suggested prompt

101 69 

102**Finish One Task From a Message Thread**70**Finish One Task From a Message Thread**

103 

104 @Computer Use Look at my messages from [person].

105 Then:

106 - understand the request

107 - complete the task across the apps involved

108 - draft a reply in the same thread

109Pause before anything irreversible, such as placing an order or confirming a booking.

110 

111## Related use cases

112 

113[![](/images/codex/codex-wallpaper-2.webp)

114 

115### Coordinate new-hire onboarding

116 

117Use Codex to gather approved new-hire context, stage tracker updates, draft team-by-team...

118 

119Integrations Data](https://developers.openai.com/codex/use-cases/new-hire-onboarding)[![](/images/codex/codex-wallpaper-3.webp)

120 

121### Generate slide decks

122 

123Use Codex to update existing presentations or build new decks by editing slides directly...

124 

125Data Integrations](https://developers.openai.com/codex/use-cases/generate-slide-decks)[![](/images/codex/codex-wallpaper-3.webp)

126 

127### Turn feedback into actions

128 

129Connect Codex to multiple data sources such as Slack, GitHub, Linear, or Google Drive to...

130 

131Data Integrations](https://developers.openai.com/codex/use-cases/feedback-synthesis)