update to doc files

docs/tools/sdk/powershell/refrence/beta/Models/RoleIdentity.md

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+---
+id: role-identity
+title: RoleIdentity
+pagination_label: RoleIdentity
+sidebar_label: RoleIdentity
+sidebar_class_name: powershellsdk
+keywords: ['powershell', 'PowerShell', 'sdk', 'RoleIdentity'] 
+slug: /tools/sdk/powershell/beta/models/role-identity
+tags: ['SDK', 'Software Development Kit', 'RoleIdentity']
+---
+
+
+# RoleIdentity
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Id** |  Pointer to **String** | The ID of the Identity | [optional] 
+**AliasName** |  Pointer to **String** | The alias / username of the Identity | [optional] 
+**Name** |  Pointer to **String** | The human-readable display name of the Identity | [optional] 
+**Email** |  Pointer to **String** | Email address of the Identity | [optional] 
+**RoleAssignmentSource** |  Pointer to [**RoleAssignmentSourceType**](role-assignment-source-type) |  | [optional] 
+
+## Examples
+
+- Prepare the resource
+```powershell
+$RoleIdentity = Initialize-PSSailpoint.BetaRoleIdentity  -Id 2c9180a46faadee4016fb4e018c20639 `
+ -AliasName t.edison `
+ -Name Thomas Edison `
+ -Email t.edison@identitynow.com `
+ -RoleAssignmentSource null
+```
+
+- Convert the resource to JSON
+```powershell
+$RoleIdentity | ConvertTo-JSON
+```
+
+
+[[Back to top]](#) 
+