How can I truncate markdown text?

[caprioara]

Hello guys. I am trying to truncate my content field in template and I dont know how.

This is my content in model:

class BlogPost(models.Model):
    content  = MDTextField(default=' ')

Is there any way to do it? His is what i found on internet {{ blog_post.content | custom_markdown | truncatechars_html:300 }} but it didnt work either

[caprioara]

It seems like it works like this:

<div id="content"><textarea> {{blog_post.content|truncatechars_html:500}} </textarea></div>

It was my template that has a problem