Pass Case Ids collection to visual workflow from Case List View Custom Button and update cases taking from input screen

Question

Requirement

From Case list View, user will choose one or more cases and will click on "Update Due Date" button, where it will show a screen to choose the "Due Date".

Due Date screen

And finally flow will parse the caseIds and update all the cases with the selected due date.

Answer 1

Create a List View Custom button and use this code to pass parameters to the flow.

Flow parameters:

vSelectedCaseIds which contains case ids collection which can be found from {!GETRECORDIDS($ObjectType.Case)}.

vCaseCount which contains number of selected case id count.

retURL where it will be landed after completion.

{!RequireScript("/soap/ajax/29.0/connection.js")}

var caseObj = new sforce.SObject("Case");
var selectedCases = {!GETRECORDIDS($ObjectType.Case)}; //chosen records from list view checkboxes

//check at-least one record is selected
if (selectedCases[0] == null) {
   alert("You must select at least one record");
} else 
{
    var serverUrl = '{!$Api.Partner_Server_URL_260}';
    var position = {!FIND( '/services', $Api.Partner_Server_URL_260)};
    var base = serverUrl.substring(0,position-1);

    var url = base +encodeURI('/flow/Update_Due_Date?vSelectedCaseIds=' + selectedCases +  '&vCaseCount=' + selectedCases.length +  '&retURL=/500/o');

    window.open(url, '_self');
}

The complete flow will look like this:

Step by step process:

1. Screen

2. Decision - Check Case Counter size

3. Assignment - Retrieve Single Case Id from param

caseIdFormula - LEFT({!vRemainingCaseIds}, 15)

4. Assignment - Assign values to Case Object

Where varSObjectCase is SObject input and output variable

5. Assignment - Add All Case Objects

Where All_Case_Sobjects is SObject Collection variable

6. Assignment - Retrieve Remaining CaseIds

Remaining_CaseIds - Formula

TRIM(
RIGHT({!vRemainingCaseIds}, (LEN({!vRemainingCaseIds})-16))
)

7. Decision - If Counter less than vCaseCount

8. Fast Update

9. Success