Advanced Filters
Encoding Filters
| filter name | filter description | example input | example output |
| md5 | returns md5 encoded string | {{'hey' | md5}} |
6057f13c496ecf7fd777ceb9e79ae285 |
| sha1 | returns sha1 encoded string | {{'hey' | sha1}} |
7f550a9f4c44173a37664d938f1355f0f92a47a7 |
| sha2 | returns sha2 encoded string | {{'hey' | sha2}} |
fa690b82061edfd2852629aeba8a8977b57e40fcb77d1a7a28b26cba62591204 |
| base64 | encodes string into base64 | {{'blah' | base64_encode}} |
YmxhaA== |
| hmac_sha1 | returns hmac-sha1 encoded string | {{'hey' | hmac_sha1: 'secret_key'}} |
2a3969bed25bfeefb00aca4063eb9590b4df8f0e |
URL Filters
| filter name | filter description | example input | example output |
| url_escape | identifies all characters in a string that are not allowed in URLS, and replaces the characters with their escaped variants | {{'hey<>hi' | url_escape}} |
hey%3C%3Ehi |
| url_param_escape | replaces all characters in a string that are not allowed in URLs with their escaped variants, including the ampersand (&) | {{'hey<&>hi' | url_param_escape} |
hey%3C%26%3Ehi |
| url_encode | encodes a string that is url friendly | {{ 'google search' | url_encode }} |
google+search |
Property Accessor Filter
| property_accessor | takes a hash and hash key and returns the value in that hash at that key |
Example hash : {“a” => 42, “b” => 0}
Example input: {{hash | property_accessor: 'a'}}
Example output: 42
Additionally, the property accessor filter allows you to template a custom attribute into a hash key to access a particular hash value.
Number formatting filters
| filter name | filter description | example input | example output |
| number_with_delimiter | Formats a number with commas | {{ 123456 | number_with_delimiter }} |
123,456 |
JSON Escape / String Escape Filter
| json_escape | escapes any special characters in a string (i.e. double quote "" and backslash ‘'). |
This filter should always be used when personalizing a string in a JSON dictionary and is useful for webhooks in particular.