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'Conditional'/Multiple Predecessors

Is it possible for start date of a task to be based on dates tied to one of two other tasks?
E.g. Task 2 must start not more that 10 days fromcompletionof Task 1. Under normal circumstances, this allows task 2 to start not more than 10 days fromstartdate of task 3. If start date of task 3 must be accelerated, however, can start date of task 2 be not less than 10 days from start date of task 3?
Or:
If time between Task 1 and Task 3 > 20 days, Start Date of Task 2 = Task 1+ 10 Days
If time between Task 1 and Task 3 < 20 Days, Start Date of Task 2 = Task 3 - 10 Days
Thanks all.
Mike Morgan
Comments
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Shaine Greenwood Employee
Hello Mike,
It looks like you're wanting something similar to constraints in MS Project.
We currently don't have that functionality in Smartsheet, but when you have a chance, please submit your feedback to our Product team directly using the Product Enhancement Request form under Quick links on the right of the community site.
What you can do is add lag or lead time to your tasks to delay their start time. More on lag and lead time can be found in our help article here:https://help.smartsheet.com/articles/765727-enabling-dependencies-using-predecessors
Categories
I think this is happening becuase you are editing a range that exists in the original location. Instead of editing the range in the new location, be sure to delete the entire range and then click in the place where it was in the formula. Then choose another range. <\/p>
I hope that helps.<\/p>
Matt<\/p>"}]}},"status":{"statusID":3,"name":"Accepted","state":"closed","recordType":"discussion","recordSubType":"question"},"bookmarked":false,"unread":false,"category":{"categoryID":322,"name":"Formulas and Functions","url":"https:\/\/community.smartsheet.com\/categories\/formulas-and-functions","allowedDiscussionTypes":[]},"reactions":[{"tagID":3,"urlcode":"Promote","name":"Promote","class":"Positive","hasReacted":false,"reactionValue":5,"count":0},{"tagID":5,"urlcode":"Insightful","name":"Insightful","class":"Positive","hasReacted":false,"reactionValue":1,"count":0},{"tagID":11,"urlcode":"Up","name":"Vote Up","class":"Positive","hasReacted":false,"reactionValue":1,"count":0},{"tagID":13,"urlcode":"Awesome","name":"Awesome","class":"Positive","hasReacted":false,"reactionValue":1,"count":0}],"tags":[]},{"discussionID":107113,"type":"question","name":"How to return a BLANK if we have a BLANK cell using a COUNTIFS formula","excerpt":"This formula is currently working, and it is returning how many items are reviewed for each \"Project Lead\". The first part of the formula is basically saying that we would count them, as long as we have a \"Reviewer\" name added in the \"Reviewer\" column. =IFERROR(COUNTIFS(Reviewer:Reviewer, <>\"//www.santa-greenland.com/community/discussion/comment/\", [Project Lead]:[Project…","snippet":"This formula is currently working, and it is returning how many items are reviewed for each \"Project Lead\". The first part of the formula is basically saying that we would count…","categoryID":322,"dateInserted":"2023-06-29T22:39:31+00:00","dateUpdated":null,"dateLastComment":"2023-06-30T02:51:05+00:00","insertUserID":157974,"insertUser":{"userID":157974,"name":"Filippo","url":"https:\/\/community.smartsheet.com\/profile\/Filippo","photoUrl":"https:\/\/us.v-cdn.net\/6031209\/uploads\/defaultavatar\/nWRMFRX6I99I6.jpg","dateLastActive":"2023-06-30T03:08:32+00:00","banned":0,"punished":0,"private":false,"label":"✭✭"},"updateUserID":null,"lastUserID":157974,"lastUser":{"userID":157974,"name":"Filippo","url":"https:\/\/community.smartsheet.com\/profile\/Filippo","photoUrl":"https:\/\/us.v-cdn.net\/6031209\/uploads\/defaultavatar\/nWRMFRX6I99I6.jpg","dateLastActive":"2023-06-30T03:08:32+00:00","banned":0,"punished":0,"private":false,"label":"✭✭"},"pinned":false,"pinLocation":null,"closed":false,"sink":false,"countComments":2,"countViews":23,"score":null,"hot":3376173036,"url":"https:\/\/community.smartsheet.com\/discussion\/107113\/how-to-return-a-blank-if-we-have-a-blank-cell-using-a-countifs-formula","canonicalUrl":"https:\/\/community.smartsheet.com\/discussion\/107113\/how-to-return-a-blank-if-we-have-a-blank-cell-using-a-countifs-formula","format":"Rich","lastPost":{"discussionID":107113,"commentID":383252,"name":"Re: How to return a BLANK if we have a BLANK cell using a COUNTIFS formula","url":"https:\/\/community.smartsheet.com\/discussion\/comment\/383252#Comment_383252","dateInserted":"2023-06-30T02:51:05+00:00","insertUserID":157974,"insertUser":{"userID":157974,"name":"Filippo","url":"https:\/\/community.smartsheet.com\/profile\/Filippo","photoUrl":"https:\/\/us.v-cdn.net\/6031209\/uploads\/defaultavatar\/nWRMFRX6I99I6.jpg","dateLastActive":"2023-06-30T03:08:32+00:00","banned":0,"punished":0,"private":false,"label":"✭✭"}},"breadcrumbs":[{"name":"Home","url":"https:\/\/community.smartsheet.com\/"},{"name":"Formulas and Functions","url":"https:\/\/community.smartsheet.com\/categories\/formulas-and-functions"}],"groupID":null,"statusID":3,"attributes":{"question":{"status":"accepted","dateAccepted":"2023-06-30T02:51:53+00:00","dateAnswered":"2023-06-29T22:55:01+00:00","acceptedAnswers":[{"commentID":383233,"body":"
@Filippo<\/a>, the most inelegant but dead simple thing to do is this:<\/p>
Simplified, it's just this:<\/p>