- HTTP request
- Path parameters
- Query parameters
- Request body
- Response body
- Authorization scopes
- Examples
- Try it!
Lists every predefined  Role 
 
that IAM supports, or every custom role that is defined for an organization or project.
HTTP request
 GET https://iam.googleapis.com/v1/{parent=organizations/*}/roles 
The URL uses gRPC Transcoding syntax.
Path parameters
parent 
 string 
The parent 
parameter's value depends on the target resource for the request, namely roles 
, projects 
, or organizations 
. Each resource type's parent 
value format is described below:
-  roles.list : An empty string. This method doesn't require a resource; it simply returns all predefined roles in IAM. Example request URL: https://iam.googleapis.com/v1/roles
-  projects.roles.list : projects/{PROJECT_ID}. This method lists all project-level custom roles . Example request URL:https://iam.googleapis.com/v1/projects/{PROJECT_ID}/roles
-  organizations.roles.list : organizations/{ORGANIZATION_ID}. This method lists all organization-level custom roles . Example request URL:https://iam.googleapis.com/v1/organizations/{ORGANIZATION_ID}/roles
Note: Wildcard (*) values are invalid; you must specify a complete project ID or organization ID.
Authorization requires the following IAM 
permission on the specified resource parent 
:
-  iam.roles.list
Query parameters
| Parameters | |
|---|---|
| pageSize |   Optional limit on the number of roles to include in the response. The default is 300, and the maximum is 1,000. | 
| pageToken |   Optional pagination token returned in an earlier ListRolesResponse. | 
| view |   Optional view for the returned Role objects. When  | 
| showDeleted |   Include Roles that have been deleted. | 
Request body
The request body must be empty.
Response body
If successful, the response body contains an instance of  ListRolesResponse 
 
.
Authorization scopes
Requires one of the following OAuth scopes:
-  https://www.googleapis.com/auth/iam
-  https://www.googleapis.com/auth/cloud-platform
For more information, see the Authentication Overview .

