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Select your Salesforce Environment and click on Save Configuration button to save the selected environment
Click on the Connect to Salesforce button.
You will be prompted to enter your Salesforce credentials once entered you will be asked for certain permissions, these permissions are:
Access the identity URL Service.
Manage user data via APIs.
Perform requests at any time.
Please click on the Allow button to connect to Salesforce.
Next Steps
Once your Jira Instance is connected with Salesforce, then you will need to Configuring Field Mapping between Jira & Salesforce Fields.