code: func (c *Client) OrganizationAppCollaboratorList(appIdentity string, lr *ListRange) ([]OrganizationAppCollaborator, error) {
  	req, err := c.NewRequest("GET", "/organizations/apps/"+appIdentity+"/collaborators", nil, nil)
  	if err != nil {
  		return nil, err
  	}
  
  	if lr != nil {
  		lr.SetHeader(req)
  	}
  
  	var organizationAppCollaboratorsRes []OrganizationAppCollaborator
  	return organizationAppCollaboratorsRes, c.DoReq(req, &organizationAppCollaboratorsRes)
  }
docs: // List collaborators on an organization app.
  //
  // appIdentity is the unique identifier of the OrganizationAppCollaborator's
  // App. lr is an optional ListRange that sets the Range options for the
  // paginated list of results.