Dynamic recipients for powermail with powermail field defined via typscript and fallback for recipient when no recipient is defined

Powermail Plugin Settings

Create a Hidden Form Field named recipient
Define Recipient Email as: {f:cObject(typoscriptObjectPath:'lib.receiveremail')}
Define Recipient Name as: {f:cObject(typoscriptObjectPath:'lib.receivername')}

Typoscript Constants

plugin.tx_clocations {
	settings {
		# cat=plugin.tx_clocations//a; type=string; label=Contact Form PID
		contactFormPid =
		# cat=plugin.tx_clocations//a; type=string; label=Contact Form Reciever Field ID
		contactFormReceiverFid = 
	}
}

temp.contactFormReceiver = GP:tx_powermail_pi1|field|{$plugin.tx_clocations.settings.contactFormReceiverFid}

Typoscript Setup

[globalVar = TSFE:id = {$plugin.tx_clocations.settings.contactFormPid}]
  page.config.no_cache = 1
	[globalVar = {$temp.contactFormReceiver} != 0]
		lib.receivername = CONTENT
		lib.receivername {
				table = tx_clocations_domain_model_contact
				select.selectFields = fullname
				select.pidInList={$plugin.tx_clocations.persistence.storagePid}
				select.where.data = GP:tx_powermail_pi1|field|{$plugin.tx_clocations.settings.contactFormReceiverFid}
				select.where.wrap = deleted=0 AND hidden=0 AND uid=|
				select.where.intval = 1
				renderObj = TEXT
				renderObj.field = fullname
		}
		
		lib.receiveremail = CONTENT
		lib.receiveremail {
				table = tx_clocations_domain_model_contact
				select.selectFields = email
				select.pidInList={$plugin.tx_clocations.persistence.storagePid}
				select.where.data = GP:tx_powermail_pi1|field|{$plugin.tx_clocations.settings.contactFormReceiverFid}
				select.where.wrap = deleted=0 AND hidden=0 AND uid=|
				select.where.intval = 1
				renderObj = TEXT
				renderObj.field = email
		}
	[else]
		lib.receiveremail = TEXT
		lib.receiveremail.value = xxx@codearts.at
		lib.receivername = TEXT
		lib.receivername.value = Codearts
	[global]
[global]

Hi,
I just found your code and I'm wondering where to find the extension tx_clocations.

Regards
Hobokens