Here is a list of Tokens that you can copy and paste into the To, Subject, and Body fields of your template:

{account_address1}
{account_address2}
{account_city}
{account_company_name}
{account_email}
{account_phone_number}
{account_state}
{account_zip}

{client_signature_block}

{assigned_user_email}
{assigned_user_first_name}
{assigned_user_last_name}
{assigned_user_name}
{assigned_user_phone_number}

{client_company_name}
{client_email}
{client_first_name}
{client_last_name}
{client_name}
{client_phone_number}
{client_signature_block}
{client_signature}

{current_date}
{current_time}
{current_user_email}
{current_user_first_name}
{current_user_last_name}
{current_user_name}
{current_user_phone_number}

{customer_portal_url}
{customer_portal_project_url}

{estimator_email}
{estimator_first_name}
{estimator_last_name}
{estimator_name}
{estimator_phone_number}

{project_assignment_datetime}
{project_assignment_date}
{project_assignment_end_datetime}
{project_assignment_end_date}
{project_assignment_end_time}
{project_assignment_start_datetime}
{project_assignment_start_date}
{project_assignment_start_time}
{project_assignment_time}

{project_billing_address1}
{project_billing_address2}
{project_billing_city}
{project_billing_state}
{project_billing_zip}
{project_billing}
{project_customer_notes}
{project_location_address1}
{project_location_address2}
{project_location_city}
{project_location_state}
{project_location_zip}
{project_location}
{project_name}
{project_number}
{project_owner_email}
{project_owner_first_name}
{project_owner_last_name}
{project_owner_name}
{project_owner_phone_number}
{project_source}
{project_url}

{project_state}
{project_document_type}
{project_estimate_date}
{project_invoice_date}
{project_subtotal}
{project_tax}
{project_total}
{project_paid}
{project_credit}
{project_due}

{sender_email}
{sender_first_name}
{sender_last_name}
{sender_name}
{sender_phone_number}
{send_user_name}

{supervisor_email}
{supervisor_first_name}
{supervisor_last_name}
{supervisor_name}
{supervisor_phone_number}