One way of achieving this is to have an custom field created on the custom object to hold opportunity line item Id. Later you need to create after insert trigger on the custom object and update the opportunity line item based on the id available on the new custom field. Below is the sample code for your reference
Full Answer
How do I create a parent opportunity in Salesforce?
STEP 1: Create a new custom object named 'Parent Opportunity'. Salesforce Classic : Setup | App Setup | Create |Objects | Click the New Custom Object button. Lightning Experience : Setup | Object Manager | Create | Custom Object.
How to add custom object to opportunity page layout?
How to add custom object to opportunity page layout? 1 One of the requriements is that the respective Custom Object should have a relationship (Master Detail or Lookup) with... 2 Next step would be navigate to Setup > Opportunity in Quick Find within Side Panel > Page Layouts > Edit > Related Lists... More ...
How to create a relationship between custom object and standard opportunity?
One of the requriements is that the respective Custom Object should have a relationship (Master Detail or Lookup) with the standard Opportunity object. You can accomplish this by creating a custom field of type Master Detail or Lookup on your Custom Object where Opportunity is the parent.
How do I simulate an opportunity hierarchy in Salesforce?
Salesforce does not have standard functionality that simulates an Opportunity Hierarchy. However, depending on the business needs, it's possible to simulate an Opportunity Hierarchy by creating a custom object (Parent Opportunity or Opportunity Bundle) to associate other opportunities with via a Lookup Relationship.
How do you relate a custom object to an opportunity in Salesforce?
On your custom object, create a custom field (Master-Detail) and relate it back to the Opportunity. Once that's in place, when you create a Order record, insert the id of the Opportunity that you want to link it to and you're all set.
How do I link a custom object in Salesforce?
StepsLog in to your Salesforce account.Click Setup at the upper-right corner.Under the Build section, click Create and select Objects.To create a custom object, click New Custom Object.Enter the name of the Custom Object in Label, Plural Label, and Object Name.More items...•
How do I link an opportunity in Salesforce?
To associate a Contact with an Opportunity in Salesforce ClassicClick into the Opportunity you wish to link the Contact to.Scroll down to the Contact Roles section.Click "New" to edit or create new Contact Roles.If the Contact is already listed, designate the role that the Contact plays in the Opportunity.More items...
How do I link a custom object to an app in Salesforce?
When you add a custom object tab to an app in Lightning Experience, it appears as an item in the app's navigation bar and in the App Launcher. From Setup, in the Quick Find box, enter Tabs , then select Tabs. Click New in the Custom Object Tabs related list. Select the custom object to appear in the custom tab.
How do I add a custom object to a tab in Salesforce?
From Setup, in the Quick Find box, enter Tabs , then select Tabs. Click New in the Custom Object Tabs related list. Select the custom object to appear in the custom tab. If you haven't created the custom object, click create a new custom object now and follow the instructions in Create a Custom Object.
What is a junction object in Salesforce?
A junction object is a custom object with two master-detail relationships, and it is the key to making a many-to-many relationship. A job posting fits into the space between positions and employment websites.
How do I link contact and opportunity in Salesforce?
0:112:47Assign a Contact to an Opportunity and a Role (Without Advanced ...YouTubeStart of suggested clipEnd of suggested clipAnd understand each individual's role throughout different opportunities within the account toMoreAnd understand each individual's role throughout different opportunities within the account to assign a contact to an opportunity select any contact and navigate to the opportunity detail section of
What is ContactId on opportunity in Salesforce?
Opportunity. ContactId represents the Contact record that was created when a lead was converted and an Opportunity was created as a result. You can dynamically check if a lookup field's relationship is valid with following check: Opportunity.
What is the relationship between account and opportunity in Salesforce?
Account and opportunity having Lookup relationship. Simply, Account is a parent Opportunity. If we delete Account record, that related Opportunity records are deleted automatically from the database. Here lookup relationship is treated as Master-Details relationship.
How do you add custom objects to apps?
From the Object Manager in Setup, click Create | Custom Object. Fill in the details. Select Launch New Custom Tab Wizard after saving this custom object. Click Save.
How do I create a custom object searchable in Salesforce?
Choose which custom objects your users can search by enabling Allow Search on the custom object setup page. If you don't need a custom object's records to be searchable, disable search for that custom object.
How do I make custom objects visible in Salesforce?
In Salesforce Lightning Experience UIClick the gear icon | Setup.Go to Object Manager.Click the name of the object.Click "Edit"In the section "Deployment Status", ensure it is set to "Deployed" then save.