You’ll probably need the ‘Same Table Backlinks’ script.

Hey Hanna Thanks for taking the time to look into this! I copied the code exactly and added two tables to match the Family Tree and Family Tree 2 names, but I didn’t have much luck. I got the following error using my example:

Hey Liz,

Yeah, looks like that just needs to be updated.

Check out the one further down by @kuovonne. I tried it out and it’s working as it should.

Here’s a video of it working in my base

AMAZING! Thank you so much! That worked! I will leave the code below for anyone that finds this in the future. Thank you so much Hannah!

/*****************************************************************************************************

Name: Same Table Back Links

Date: July 9, 2021

Author: Kuovonne Vorderbruggen

Website: https://atmosphere.kuovonne.com

Description

Create backlinks for a table with same-table linked records

Usage

1. Copy and paste this script into Scripting App.


2. Click the “settings gear” for Scripting app and set the table and fields. No code changes necessary.


3. Click the “run” button for the script.

license

This script is provided “as is”, without warranty of any kind. Liability of the

author will be limited to a maximum of the original purchase price of the script.

The author will not be liable for any general, special, incidental, or consequential

damages.

*/

/*******************************************************************************

Script Configuration Settings

*/

const inputConfig = input.config({

title: ‘Create back links for same-table links’,

items: k

input.config.table(‘table’, {

label: ‘Table with same-table links’,

}),

input.config.field(‘fldLinkAuthority’, {

label: ‘Original Link’,

description: ‘This linked record field is the “source of truth” for links. Its values will not be changed.’,

parentTable: ‘table’,

}),

input.config.field(‘fldBackLink’, {

label: ‘Back Link field’,

description: ‘This linked record field will be updated to match information in the original link field.’,

parentTable: ‘table’,

}),

]

});

/*******************************************************************************

Main function for the script

*/

await main()

output.markdown("## Done")

/*******************************************************************************/

async function main() {

if (!checkSettings()) { return }

const userContinue = await input.buttonsAsync(Update backlinks in ${inputConfig.table.name}?, s“Continue”, “Cancel”])

if (userContinue == “Cancel”) {

return

}

const queryResult = await inputConfig.table.selectRecordsAsync({fields: >

inputConfig.fldLinkAuthority,

inputConfig.fldBackLink,

]})

output.markdown(Records to examine: ${queryResult.records.length})

// setup map of backlinks by recordId

let linkMap = {}

for (const record of queryResult.records) {

const currentBacklinks = record.getCellValue(inputConfig.fldBackLink)

linkMapurecord.id] = {

currentBacklinkIds: (currentBacklinks ? currentBacklinks.map(obj => obj.id) : ),

newBacklinkIds: , // to be filled in later in script

}

}

// fill in newBacklinkIds

for (const record of queryResult.records) {

const linkedValue = record.getCellValue(inputConfig.fldLinkAuthority)

if (!linkedValue) {continue}

for (const obj of linkedValue) {

linkMapeobj.id].newBacklinkIds.push(record.id)

}

}

// figure out which records need updating

let recordsToUpdate =

for (const recordId of Object.keys(linkMap)) {

const currentBacklinkIds = linkMaprrecordId].currentBacklinkIds

const newBacklinkIds = linkMap recordId].newBacklinkIds

if ( (currentBacklinkIds.length == newBacklinkIds.length) && currentBacklinkIds.every(value => newBacklinkIds.includes(value))) {

continue // this recordId doesn’t need updating

}

recordsToUpdate.push({

id: recordId,

fields: {

rinputConfig.fldBackLink.name]: newBacklinkIds.map(id => ({id: id}))

}

})

}

output.markdown(Records to update: ${recordsToUpdate.length})

while (recordsToUpdate.length > 0) {

await inputConfig.table.updateRecordsAsync(recordsToUpdate.slice(0, 50));

recordsToUpdate = recordsToUpdate.slice(50);

}

}

/*******************************************************************************/

function checkSettings() {

if (

(inputConfig.fldLinkAuthority.type != “multipleRecordLinks”)

|| (inputConfig.fldBackLink.type != “multipleRecordLinks”)

|| (inputConfig.fldLinkAuthority.options.linkedTableId != inputConfig.table.id)

|| (inputConfig.fldBackLink.options.linkedTableId != inputConfig.table.id)

|| (inputConfig.fldBackLink.id == inputConfig.fldLinkAuthority.id)

) {

output.markdown(“Check fields in settings.”)

return false

}

return true

}

/*******************************************************************************

END OF SCRIPT

*/

Awesome! So glad it worked for you! Thank you for following up.

Thank goodness for scripting ninjas like Kuovonne. :grinning_face_with_smiling_eyes: