Update Variable - Markifact

Replaces a variable in a Google Tag Manager workspace with a full Variable resource payload. Workflow: gtm_get_variable, edit the payload, gtm_update_variable, then version and publish.


App	Google Tag Manager
Operation ID	`gtm_update_variable`
Type	Action
Connection	`gtm` (required)
Credits per run	1
Agent / MCP tool	Yes
Requires approval	Yes (write operation)

Inputs

Field	Type	Required	Default	Description
`account`	DynamicAccount	Yes	-	Select the Google Tag Manager account.
`container`	DynamicAccount	Yes	-	Select the container.
`workspace`	DynamicAccount	Yes	-	Select the workspace.
`variable`	DynamicAccount	Yes	-	Select the variable to update, or provide its variable ID.
`variable_payload`	object or string	Yes	-	Full replacement Variable resource (object or JSON string) matching the Google Tag Manager API v2 Variable spec; the update replaces the variable entirely, so include every field the variable should keep. Workflow: gtm_get_variable -> edit the payload -> gtm_update_variable. Read-only fields are stripped automatically.

Output

Type: Dict Returns the updated variable as provided by the Tag Manager API.