Tasks in two apps always in sync — both ways

How it works

To keep Gmail and Notion in sync, connect them with a ready-made scenario — changes flow automatically.

1. Starts when: OAuth redirect
2. Then: Get variables
3. Check: Verify security token
4. If yes: Exchange Tokens
5. Starts when: Respond with success
6. Starts when: Respond with error
7. Then: Get Notion Databases
8. Then: Prep Dropdown
9. Then: Choose Notion Database
10. Then: Get Notion Database ID
11. Then: Get projects
12. Then: Prep Dropdown1
13. Then: Choose Todoist Project
14. Then: Get Todoist Project ID
15. Then: Get sections
16. Then: Generate config
17. Then: Return config JSON
18. Then: Generate security token
19. Then: Store variables
20. Then: Redirect to Auth Page
21. Starts when: Notion-Todoist Sync Setup Helper
22. Starts when: Todoist Webhook Setup Helper
23. Then: Notion
24. Then: Map Notion to Todoist
25. Then: Compare Datasets
26. Then: Handle empty dates2
27. Then: Add project ID
28. Check: If Todoist ID exists
29. If yes: Set tries
30. Then: Get Todoist Task
31. Check: If not deleted
32. If yes: Mark as Incomplete in Todoist
33. Then: Update task in Todoist
34. Then: Get mapped item
35. Check: Merge
36. Check: Loop Over Items1
37. Then: Generate UUID
38. Then: Prepare Batching Items
39. Then: Aggregate
40. Then: Update section (Sync API)
41. Check: Merge summary
42. Check: Filter out status changes
43. Then: Map Todoist to Notion
44. Then: Map summary fields
45. Then: Convert to HTML Table
46. Then: Generate email body
47. Then: Gmail
48. Then: Lock Todoist ID
49. If no: Create task in Todoist
50. Then: Store Todoist ID
51. Then: Get mapped item2
52. Check: Catch known error
53. If no: Wait
54. Then: Update tries
55. Check: If tries left
56. If no: Retry limit reached
57. Then: Handle empty dates
58. Then: Update Task in Todoist
59. Check: Status changed
60. Then: Get mapped item1
61. Then: Lock Todoist ID2
62. Then: Prepare summary data
63. Check: Loop Over Items
64. Check: Exists/Completed in Notion
65. If yes: Map Notion to Todoist1
66. Then: Handle empty dates1
67. Then: Update task in Todoist before closing
68. Check: Status is Done
69. If yes: Mark as Completed in Todoist
70. Then: Prepare summary data1
71. If no: Delete Task in Todoist
72. Then: Prepare summary data2
73. Then: Lock Todoist ID1
74. Then: Get Notion Task
75. Then: Pick Todoist Fields
76. Starts when: Schedule Trigger
77. Then: Globals
78. Then: Todoist
79. Starts when: Execute Workflow Trigger
80. Check: Differences exist1
81. Then: Update task in Notion
82. Then: Lock Notion ID
83. Check: Due date empty
84. Then: Mark as Focussed in Notion
85. Check: Requires completion change1
86. Check: Has not been completed?
87. If yes: Mark as In Progress in Notion
88. If yes: Neither focussed nor planned1
89. If no: Mark as Done in Notion
90. Then: Create task in Notion
91. Then: Execution Data2
92. Then: Update Description in Todoist
93. Then: Turn Markdown into Notion Blocks
94. Then: Handle each block separately
95. Then: Append Notion Block
96. Then: Mark as Obsolete in Notion
97. Check: Only continue if not locked
98. Check: If event is not :deleted
99. If yes: Set tries2
100. Then: Get Todoist Task1
101. Then: Map Todoist to Notion1
102. Then: Execution Data1
103. Then: Get Notion Task1
104. Check: Notion Task not found
105. If yes: Check if creating flag exists1
106. Check: Only continue if flag does not exist1
107. Then: Set creating flag1
108. Then: Get Backlog Section ID
109. Then: Generate UUID1
110. Then: Update section (Sync API)1
111. If no: Execution Data3
112. Check: Switch by Event
113. If yes: Description has changed in Todoist
114. Then: Update Description in Todoist1
115. Check: Catch known error2
116. If no: Wait2
117. Then: Update tries2
118. Check: If tries left2
119. If no: Retry limit reached2
120. If no: Get Notion Task2
121. Check: Notion Task found1
122. Then: Execution Data4
123. Then: Check if Todoist ID is locked
124. Then: Execution Data
125. Then: Globals1
126. Check: Requires completion change
127. Check: Has been completed?
128. If yes: Mark as Completed in Todoist1
129. Then: Get todoist ID
130. Then: Lock Todoist ID4
131. If no: Mark as Incomplete in Todoist1
132. Check: Differences exist
133. Then: Update task in Todoist1
134. Check: Only continue if not locked1
135. Then: Get Notion task
136. Then: Map Notion to Todoist2
137. Then: Execution Data6
138. Check: Status is Obsolete?
139. If yes: Todoist ID exists
140. Then: Delete Task in Todoist2
141. Then: Get todoist ID1
142. If no: Neither focussed nor planned
143. If no: Todoist ID exists?
144. If yes: Set tries1
145. Then: Get Todoist Task2
146. Check: If not deleted1
147. If yes: Status changed but not empty
148. Then: Generate UUID2
149. Then: Update section (Sync API)2
150. If no: Status is not Done
151. Then: Check if creating flag exists
152. Check: Only continue if flag does not exist
153. Then: Set creating flag
154. Then: Create task in Todoist1
155. Then: Store Todoist ID1
156. Check: Catch known error1
157. If no: Wait1
158. Then: Update tries1
159. Check: If tries left1
160. If no: Retry limit reached1
161. Then: Check if Notion ID is locked
162. Starts when: Notion Webhook
163. Check: Body is array?
164. If yes: Split out Notion changes
165. Then: Extract IDs
166. Then: Globals2
167. Then: Execution Data5
168. Starts when: Todoist Webhook
169. Check: Switch by project
170. Then: Execute Workflow
171. Starts when: Webhook
172. Check: Switch
173. If no: Execute Workflow1

You can launch this Gmail + Notion integration in Scriptera: describe the task in plain words — the scenario is built, launched and monitored for you.