Usage
gads_get_ad_groups(
customer_id = getOption("gads.customer.id"),
fields = c("ad_group.id", "ad_group.name", "ad_group.status",
"ad_group.ad_rotation_mode", "ad_group.base_ad_group", "ad_group.campaign",
"campaign.id", "ad_group.display_custom_bid_dimension",
"ad_group.effective_target_cpa_source", "ad_group.effective_target_roas",
"ad_group.effective_target_roas_source", "ad_group.final_url_suffix",
"ad_group.target_roas", "ad_group.type", "ad_group.url_custom_parameters",
"ad_group.tracking_url_template", "customer.id", "customer.descriptive_name"),
where = NULL,
order_by = NULL,
limit = NULL,
parameters = NULL,
login_customer_id = getOption("gads.login.customer.id"),
include_resource_name = FALSE,
cl = NULL,
verbose = TRUE
)