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On the Set up Page, search Report Types > click New Custom Report Type
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Important Notes on Report Creation
Notes on Components
Custom fields may be used in Client Orgs that do not perfectly correspond to Standard Fields provided by Salesforce indicated in this document. CS and TS must engage with the client to ensure that the right data is being surfaced by the Reports and Dashboards.
Example: Forecast Amounts may be represented in different ways in different fields each with a different Field name in Client Orgs.
Opportunity Custom Report Types
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